Authorities in Australia have arrested two men believed to be members of TeamPCP, a prolific cybercrime and data extortion group blamed for perpetrating the longest running spree of software supply chain attacks ever.

In a statement released today, the Australian Federal Police (AFP) said two men from Western Australia, aged 21 and 23, were arrested in connection with a “sophisticated cybercrime syndicate that allegedly created malicious open-source software to rob thousands of global businesses.”

The AFP did not name the defendants, but KrebsOnSecurity learned the 21-year-old suspect’s real identity in June, and has been communicating with him ever since. This story includes interviews with TeamPCP’s self-described spokesperson, and examines clues left behind by the TeamPCP leader that likely led to his undoing.

TeamPCP vaulted onto the cybercrime scene in late 2025, embedding malicious code in hundreds of open source software tools and extorting victims for profit. Members of the group made headlines by compromising corporate cloud environments using a self-propagating worm dubbed Shai-Hulud, which added malicious code to open source programs maintained by developers whose credentials at public code repositories like GitHub or NPM were phished or stolen.

Writing for Wired, journalist Andy Greenberg described TeamPCP’s core tactic as a kind of cyclical exploitation of software developers.

“The hackers gain access to a network where an open source tool commonly used by coders is being developed,” Greenberg wrote in May. “The hackers plant malware in the tool that ends up on other software developers’ machines, including some who are writing other tools intended to be used by coders. The malware allows TeamPCP’s hackers to steal credentials that let them publish malicious versions of those software development tools, too. The cycle repeats, and TeamPCP’s collection of breached networks grows.”

TeamPCP also has practiced something akin to cyclical recruitment. In May, the source code for the third iteration of Shai-Hulud was published online, and TeamPCP soon after launched a contest offering $1,000 in virtual currency to whichever participant could conduct the largest supply chain operation using the worm’s code. According to the contest rules, participants were scored based on the number of weekly and monthly downloads of packages they compromised — directly incentivizing them to target the most popular code libraries.

A screenshot of a message from TeamPCP’s Telegram account, announcing the supply chain hacking contest. Image: dataminr.com.

“TeamPCP has stated the competition is a recruiting opportunity and they intend to purchase all meaningful access harvested from participants’ campaigns,” the security firm Dataminr wrote. “The $1,000 XMR (Monero) prize is a recruitment floor and has been dismissed by the actor as ‘just like participation trophy,’ adding ‘if you find something good you will be paid way more,’ confirming the contest’s true function as talent identification and malicious access acquisition at scale.”

In March, TeamPCP executed a supply chain attack targeting AI infrastructure by compromising the code for LiteLLM, an open source AI gateway that connects users to more than 100 different large language models. A recent analysis by the security firm CloudSEK found TeamPCPs attack on LiteLLM harvested cloud service keys and other secrets from more than 2,500 organizations, including many of the world’s top technology companies.

In May, TeamPCP claimed credit for compromising at least 3,800 code repositories at the Microsoft-owned GitHub, after a GitHub developer installed a code extension that was compromised by TeamPCP’s malware.

MEET THE CYBERCATS

Security experts say TeamPCP is less of a hacker group than an amalgamation of threat actors from multiple cybercriminal gangs who sometimes work together toward similar goals.

“It is not a structured criminal crew with a single operator,” said Austin Larsen, a principal threat analyst with the Google Threat Intelligence Group. “It is a peer community of individually-skilled actors, with one clear center of gravity.”

That center of gravity is George Prepakis, an accomplished security researcher and self-described exploit developer who operates the Twitter/X profile @kernelstub. Earlier this year, @kernelstub tweeted a public invite link to a Matrix chat server he created and dubbed “Cybercats,” and TeamPCP and several other cybercrime entities have been using this server to communicate daily for the past several months.

A screenshot of the Matrix chat server “Cybercats,” whose members used hacker handles associated with multiple distinct cybercrime groups that have occasionally collaborated on a series of supply chain and data ransom attacks over the past nine months.

Kernelstub, like other administrators in the Cybercats chat, has been using his Twitter/X profile name as his handle in these Matrix communications, frequently tweeting references to other members and to conversations taking place in the Cybercats chat. In a number of cases, the corresponding X accounts for members of the Cybercats chat taunted cybercrime victims publicly before the incidents were reported in the news media.

The Cybercats administrator listed at the top of the screenshot above — “Boxturtle” — is a close associate of TeamPCP who has been tweeting about the group’s conquests under the name @xpl0itrsturtle. This handle corresponds to a data breach broker active on Breachforums and Darkforums who has been selling data stolen in a wave of recent breaches at automobile manufacturers, including BMW Group, Audi, Honda, Mercedes-Benz, Volvo and Toyota, as well as data allegedly taken from Snapchat and SportRadar.

The data leak site for the extortion group or handle “xpl0itrs.”

The Cybercats administrator “SeesawSec” in the screenshot above is the alias of whoever is behind the cybercrime group known as Fulcrumsec, which recently claimed credit for data extortion attacks against the pharmaceutical giant Novo Nordisk, the data broker LexisNexis, and Avnet, a Fortune 500 distributor of electronic components.

The data leak site of Fulcrum Security, a.k.a. Fulcrumsec.

The Cybercats administrator “@pcpcasper” also has been using a similar name on X to discuss TeamPCP’s attacks and victims. This person has an extensive message history on Telegram, where their messages and shared videos show @pcpcasper is an active and vocal member of the National Socialist Network, a neo-Nazi political organization based in Australia.

At one point in these chats, @pcpcasper shared videos and images of what they claimed was their cat, and several of those videos place this user in Western Australia. One source close to the investigation told KrebsOnSecurity that @pcpcasper was one of the two arrested, a claim supported by messages that @kernelstub posted online this morning.

The Cybercats member roster pictured above also features an administrator with the username “T,” which is short for the now-banned Twitter/X profile @pcpcats, the account operated by the self-described TeamPCP spokesperson who was arrested today. As we’ll see in a moment, @pcpcats also is from Western Australia.

By the time @kernelstub tweeted a public invite link to the Cybercats Matrix server, T/@pcpcats was posting only infrequently to the group chat, with other members often inquiring as to his whereabouts and well-being. The group’s collective concern related to @pcpcats’s tendency to blame his increasingly extended absences on the use of hallucinogens and other narcotics that kept him awake for days on end, but also caused him to crash in bed for several days after the highs wore off.

WHO IS THE TEAMPCP LEADER?

The Cybercats member @pcpcats has used multiple nicknames on the cybercrime forums, including EllisD25/LSD on Darkforums, BulkDMT on Breachstars, and Express on Breachforums. These accounts are linked because they all advertised the same Tox ID and/or Session ID as instant message contact handles in their cybercrime forum posts. BulkDMT was also known on the forums as DMT Host, which was a virtual private server (VPS) hosting service that was peddled on Darkforums and Breachstars.

DMT Host/EllisD25, posting on the English-language cybercrime community DarkForums in September 2025. Image: ke-la.com.

According to the cyber intelligence firm Intel 471, Express registered on Breachforums using the email address shitstickpp@gmail.com. Intel 471 finds Express posted on Breachforums across a two-month period in 2025 using four different Internet addresses located in South Africa. On July 30, 2025, Express announced on Breachforums they were selling access to 14 gigabytes of data stolen from South Africa’s State Information Technology Agency.

The threat intelligence platform Flashpoint recorded more than a year’s worth of messages from the TeamPCP leader’s alter ego on Telegram — Persy_PCP —  who claimed they split their life living between two countries [full disclosure: Flashpoint is an advertiser on this blog]. “I have these [files] as well, problem is these are in another country,” Persy_PCP explained to another user inquiring about a stolen data set in November 2025.

Later that month, Persy_PCP complained, “My whole country is racist and they want people like me dead.” Flashpoint records show BulkDMT shared in September 2025 that “this country is going to fucking starve when they take the farmers land,” a likely reference to white landowners in South Africa who claim to be targeted by an ongoing genocide campaign.

This tracks with public reporting on TeamPCP. Cyberscoop reported in June that Google had traced TeamPCP’s residential and mobile Internet address connections to South Africa, “indicating the primary operator was located there during at least some of its attacks.”

BulkDMT also shared on the group chat at Breachforums that they were recovering from an addiction to methamphetamine. “My life is kinda fucked rn [right now], but that’s fine and there isn’t really a point in pouring so much emotional energy into that fact, my parents had money but I unfortunately got really addicted to some things so I don’t get to benefit from that. As long as I continue to survive, stay sober, and move closer towards my goals that’s enough drive and meaning.”

The identity threat protection company SpyCloud finds shitstickpp@gmail.com shows up in the registration of an account called ChristmasSnow on the cybercrime community Raidforums in 2022. Nearly all of the Internet addresses used to access that account came from ISPs in Perth, Australia, SpyCloud found.

KrebsOnSecurity looked up all of those Perth IP addresses in passive DNS records maintained by DomainTools.com, and found one of them — 211.27.196.111 — for several years was used as a private file server by a family in Perth with the last name of Thomson. Those records show at least three hosts — ithomson.direct.quickconnect.to (a remote Synology server), kthomson0061.direct.quickconnect.to, and joshuawthomson39.myqnapcloud.com (a QNAP network storage device) — persisted at that address between 2022 and 2025.

Searching on “joshuathomson39” in the breach tracking service Constella Intelligence reveals an account at the freight forwarding company kwe.com created in the name of Joshua Thomson from Perth, Australia. The open source intelligence platform Epieos finds the phone number attached to that kwe.com account was used to register a Facebook profile for Josh Thomson, which says his family includes a brother named Ruben, his father Ian, and his mom Cindy.

That Facebook profile also says Josh and his family are originally from Pietermaritzburg, in KwaZulu-Natal, South Africa, but currently living in Cottesloe, a beach-side suburb of Perth. A search in DomainTools for Ian Thomson and Australia unearthed five domains by the same registrant, including securecomputing.au, thomson.org.au, and thomsonfamily.net.au. Ian Thomson is a dentist in Cottesloe, and a biography says he graduated from The University of the Witwatersrand in Johannesburg, South Africa.

Constella finds a joshua@thomson.org.au registered a number of accounts online, but Josh doesn’t seem to have much of a connection to dodgy cybercrime forums. His brother Ruben, on the other hand, has quite the presence on these communities, dating back to at least 2018. Constella reports ruben@thomson.org.au frequently reused the password “joshuathomson1,” and Constella further finds that password was used by just a handful of accounts, including yolosolo17@gmail.com and surfinup8@gmail.com.

According to Intel 471, surfinup8@gmail.com was used to register the user Yolosolo17 on the crime forum Altenen in 2018, and that user account was registered from the Perth address 110.141.230.15. On Altenen, Yolosolo17 advertised free web proxies, as well as the domain rubenthomson.com, which was at one point used to sell steeply discounted iPhones. DomainTools says rubenthomson.com was hosted at 110.141.230.15 and registered to surfinup8@gmail.com.

A cached copy of the domain rubenthomson.com from 2017 shows a login page underneath a banded stack of money. Image: archive.org.

SpyCloud reports 10.141.230.15 was used by the email address sheepstealing@gmail.com on Raidforums and surfinup8@gmail.com on Nulled, and that the same IP was used by the email addresses ian@thomsonfamily.net.au, jasper@yakuza.cc, and rubenthomson1@gmail.com. SpyCloud also shows that sheepstealing Gmail address is tied to the accounts Sheep420, YoloSolo117 and Yakuza.cc on Raidforums, and to the account “Sheep Stealing” on Hackforums. Intel 471 says sheepstealing@gmail.com was used to register the account DingoFlour on Breachforums in October 2023, as well Sheepx on Altenen.

Epieos reports that ruben@securecomputing.au is tied to an Airbnb account for Ruben, who described himself as a Web developer who went to school at the University of Western Australia and was living outside the country. “Hey, I’m Ruben, my friends call me Ellis. I’m a Perth creative who occasionally books rooms when visiting family and for photography.”

Epieos also finds sheepstealing@gmail.com registered an upwork.com profile under the name Ruben, who said his main skills are setting up secure server hosting solutions and PHP full-stack Web development.

“I’m familiar with Linux, working with relational databases (SQL),” the Upwork profile reads. “I also script in Python mainly for writing social media bots.”

The Upwork profile for Ruben Thomson in Cottesloe, Australia.

Epieos further discovered sheepstealing@gmail.com is connected to a Microsoft account for Ruben Thomson, and to a now-defunct GitHub account called XmasSnow/XmasSnowisBack that scammed people on the forums in 2022 by claiming to sell exclusive exploits for recently-released software patches (recall that shitstickpp@gmail.com was used to register a forum account named ChristmasSnow).

This same sheepstealing email address registered a Twitter/X account in 2026 called “Gone Fishing” that lists its location as South Africa. That Gmail account also left several reviews for businesses listed on Google Maps over the past seven years, but all of those establishments are located on the west coast of Australia.

Business reviews in Western Australia left by the Google account sheepstealing at gmail.com.

The people search service Pipl finds a 21-year-old Ruben Thomson in Western Australia who has a phone number ending in 979. A lookup on that number at Epieos reveals it is connected to a TikTok account under the name Ellis, and to a PayPal account in the name of Ruben Thomson.

Finally, a search on the name Ruben Thomson from Cottesloe at the Australian government’s record of registered businesses finds he has incorporated or served as an official in multiple companies created since 2024, including Secure Computing Solutions, Tensor Industries, and another entity ironically named OPSEC Express. Recall that Express was BulkDMT’s nickname on Breachforums.

Australian companies connected to Ruben Thomson. Image: abr.business.gov.au.

It’s ironic because OPSEC is short for the term “operational security,” which refers to techniques and behaviors used to obfuscate and compartmentalize one’s real-life identity online, and using your cybercrime handle as part of your own company name is very much the antithesis of that practice.

There is at least one other major opsec failure by Ruben that exposed a link to TeamPCP. In June 2025, someone using the name Ruben Thomson registered on HackerOne, a popular “bug bounty” program that seeks to reward and recognize researchers who agree to work with affected software vendors to help fix the flaws before publishing about their findings. What was Ruben Thomson’s chosen HackerOne username? Deadcatx3, a nickname that has been flagged by multiple security firms as an alias used by TeamPCP.

The HackerOne profile for “Ruben Thomson” uses the nickname Deadcatx3, which multiple security firms have concluded is an alias used by TeamPCP. Image credit: flare.io.

INTERVIEW WITH ELLIS

In early July 2026, not long after having discovered clues about Ellis’s real life identity, KrebsOnSecurity interviewed the TeamPCP leader via Signal, where he was remarkably open about his activities and personal struggles [for the sake of simplicity, the TeamPCP spokesperson will be referred to from here on as Ellis].

Ellis claims he stopped doing cybercrime for TeamPCP in March 2026 — just before the attacks that compromised LiteLLM — and that at least one other individual has taken over the group’s leadership since then. Ellis shared that a year earlier he had just completed the latest in a series of detox and sobriety programs, and was two months sober when he reconnected with some old friends from the malware development scene.

“One year ago I needed help monetizing some [GitHub credentials], I was two months sober and needed a distraction and something to keep busy as well as people to speak to,” Ellis said. “I had largely disconnected from my old circle, they had become very toxic and I needed to get away from the substances. Previously I had done some mass exploitation campaigns and grew up doing [malware development] and [capture the flag] contests. There were some friends who were also vending but had stopped a while, and one of them introduced me to some chats where I posted access for sale.”

Prior to that, Ellis said, he was homeless and hopping between “some very unstable places.”

“Blackhatting is fun,” he said. “There are actual rewards and incentives to learn and you grow with your team. Without qualifications, no employer will even take the time to hear you out.”

Ellis claims he’s earned a grand total of about $20,000 for his activities with TeamPCP, and that it was never about the money or fame for him. Asked whether his experiences with TeamPCP might prepare him for gainful employment in a legitimate IT job, Ellis said he doubted it.

“I am nowhere close to a skill level where I am comfortable, and this would take maybe half a decade of further experience,” he said. “I no longer have to choose between rent and food for that I’m grateful and so are the team members.”

Ellis expressed no remorse over his cybercrime activities, and said he was grateful for the friendships and relationships built throughout his engagement with TeamPCP. The young hacker also seemed resigned to his fate, and told KrebsOnSecurity that he’ll accept the consequences if he’s ever arrested.

“If I’ve already been found out then its out of my control, I’ll make peace with that,” he said. “Honestly, I think someone like me needs a lot of help that prison just can’t provide. If I had the funds to study different parts of the field and closer guidance, this would have turned out differently. But that’s a pipe dream and we both know this.”

It is clear from reading Ellis’s posts to the group’s Matrix server chats that his struggles with sobriety are ongoing. On Thursday, June 25, Ellis told @kernelstub he was about to “trip” with his “homie.”

“What kind,” @kernelstub inquired.

“Ketty and some DMT,” Ellis replied, referring to the dissociative anesthetic ketamine and dimethyltryptamine (DMT), a powerful psychedelic compound that is found naturally in some plants but is also synthetically produced in underground lab environments. “There’s a little 2cb so we might throw that in the mix,” he continued, referring to another psychedelic compound by its chemical shorthand.

Roughly two weeks before his arrest, Ellis told KrebsOnSecurity he was ready to leave his life of crime behind and was prepared to turn himself in, but that in the meantime he was making plans to tie up loose ends.

Less than 24 hours later, the TeamPCP leader posted an image on Telegram showing a yellowish powdered substance in a baggie and on a scale, possibly synthetic DMT. The image shows the powder being weighed next to a series of small vape cartridges, two of which are open on the table in front of the photographer.

An image posted by the TeamPCP leader to Telegram, advertising his acquisition of some type of psychoactive substance, most likely a synthetic version of the powerful hallucinogen known as DMT.

The two defendants were arrested Wednesday morning. The AFP said the men face a combined 14 cybercrime offenses and are scheduled to appear in Perth Magistrates Court today.

Charlie Eriksen is a security researcher at Aikido Security who has closely followed TeamPCP’s cybercrime campaigns. Eriksen said TeamPCP are a good example of a new kind of threat actor that does not fit neatly into the usual categories.

“They are not a state actor, not quite organized cybercrime, and not purely ideological,” he said. “Their motivations seem to mix money, disruption, attention, and ideology.”

Eriksen said that historically there has always been a meaningful gap between reading about an attack technique and being able to reliably turn it into an operational campaign, but that large language models (LLMs) and artificial intelligence increasingly are helping threat actors to bypass that knowledge gap.

“You had to understand the research, adapt the code, troubleshoot it, build infrastructure around it, and then repeat that process across different targets,” he said. “LLMs have compressed that gap significantly.”

According to Eriksen, this creates an environment where threat actors suddenly have the ability to operate at significant scale without having developed the operational discipline that traditionally accompanies that level of capability. Put another way, it sets the stage for cybercriminals who are capable enough to cause significant damage, but not necessarily careful enough to understand or care about the consequences.

“They can be noisy, they can make mistakes,” he said. “They can leave evidence everywhere. They can take risks that a professional criminal group or intelligence service would consider completely unacceptable. But that does not necessarily make them less dangerous. In some ways, it can make them more dangerous.”

In a recent blog post, Eriksen called TeamPCP’s Shai-Hulud worm the “best thing to happen to supply chain security,” because it forced GitHub and other public coding platforms to erect new security safeguards.

In direct response to TeamPCP’s broad success at pushing poisoned versions of popular software packages, GitHub in late July introduced a three-day “cooldown” mechanism for Dependabot, the platform’s tool for auto-fetching newly shipped updates for any package dependencies. Cooldown periods are designed to help buy time for security tools and package maintainers to identify and remove any compromised versions. Other coding ecosystems like Python and various JavaScript platforms also added support for cooldown periods this year amid growing calls from security experts about the need for more widespread adoption of the safety feature.

Eriksen said TeamPCP’s legacy is that they achieved in the span of a few months what the supply chain security community has been unable to do for years.

“They managed to wake up Microsoft to the fact that they had become negligent in terms of security,” Eriksen said. “By compromising GitHub and stealing their source code, they humiliated Microsoft into action, making them finally act on what we had been asking them to do and take seriously for a while now.”

Update, 10:08 a.m. ET: A story this morning from ABC News in Australia confirms Ruben Ian Thomson of Cottesloe was one of the two arrested. The 23-year-old suspect thought to be @pcpcasper, Michael Gaebler, also was arrested in Perth. ABC News reports that Thomson was denied bail (Mr. Gaebler’s attorney reportedly did not request bail for his client), and that both men will be held in custody until their next court appearance on September 18.

It can be daunting to determine who’s responsible for showing ads on the websites we visit, or who’s harvesting data from the mobile apps we use every day. That information is already semi-public, but it is not easily parsed and traditionally much of it has remained walled away in the hands of large advertising platforms. Not anymore: A powerful and free new service called DecryptAds scrapes and correlates this adtech data and makes it simple to quickly learn a great deal about the entities that are tracking you.

A Decryptads summary of the advertising partnerships declared by espn.com.

The newly launched decryptads.com says it is constantly scraping the files that websites and apps make publicly available to disclose the companies that are permitted to run ads or collect user data. These files include:

–ads.txt: all of the adtech companies and data brokers that may run ads or harvest data from the site;
–app-ads.txt: entities that can harvest data from or display ads on mobile and smart TV apps;
–buyers.json/sellers.json: the entities buying, selling or reselling ad inventory for a given site or app.

Zach Edwards is chief research officer for DecryptAds and a threat researcher at the security company Infoblox. Edwards said he and two other founders decided the service was needed because the adtech data in these files is generally only useful when it can be cross-referenced to build a more complete picture of the advertising ecosystem for each website or app.

“It’s an adtech tool but we’re trying to approach adtech from a security perspective,” Edwards said. “It’s really built for a lot of privacy and security use cases that have been dramatically underserved.”

Those use cases, he said, include tracking down the source of malicious ads that try to foist malware on targeted users, identifying ad networks located in adversarial nations, and detecting the fast growing swarms of AI-generated slop websites and apps. And as decryptads.com demonstrates, these potential security and privacy threats are near impossible to detect just by viewing a single apps.txt or app-ads.txt file.

“Supply-chain integrity issues rarely live in a single file,” the site explains. “They show up as broken cross-references between ads.txt, app-ads.txt, and sellers.json files; as cloned declaration sets across unrelated domains; as seller removals that only make sense when viewed across exchanges; and even as supply paths in bid logs that never actually appear in any given publisher’s authorized-seller list.”

A search in DecryptAds for the hugely popular sports network espn.com reveals 143 ad partners and 19 registered data broker domains are listed within its ads.txt and app-ads.txt files. That data broker information is gradually becoming available because four states — California, Oregon, Texas and Vermont — have recently passed laws requiring data brokers to register if they buy or sell data on consumers from those states. DecryptAds reports that almost half of those data brokers are collecting geolocation data from espn.com visitors who aren’t blocking ads, while another three disclose that they collect device fingerprints and sensitive personal information.

A visual representation of the complex ad supply chain declared by espn.com. Image: decryptads.com.

HIGH-RISK AD PARTNERS

DecryptAds also makes it easy to learn the beneficiaries and national origins of the advertising firms lurking in apps and websites, displaying a conspicuous warning when adtech partners of an app or website are based in “geo-risk” areas like China and Russia, or in countries with strong financial and political ties to both — such as Cyprus and the United Arab Emirates (UAE).

According to DecryptAds, espn.com works with four different advertising entities that are based in either Russia, China or the UAE, including the adtech firm Between Digital, which lists a New York address. However, the dossier on Between Digital flags them as a Russian firm, showing that their publisher offers (PDF) are processed through Alfa Bank, Russia’s largest private commercial bank and one of several financial institutions placed under U.S. sanctions in 2022 after Russia invaded Ukraine. KrebsOnSecurity sought comment from both Between Digital and the company’s founder, and will update this story in the event that either replies.

A search for several top U.S. military news websites — including armytimes.com, airforcetimes.com, defensenews.com, navytimes.com, marinecorpstimes.com and federaltimes.com — shows they all allow Between Digital to serve ads and track users, as well as two entities in the UAE and another in the ownership secrecy haven of Panama. DecryptAds reports that Between Digital is collecting ad data on approximately 55,000 partner websites.

The “Geo Risk” section of decryptads.com.

Pivoting on Between Digital’s app-ads.txt file reveals hundreds of domains featuring simple web-based games that are frequently interrupted by ads. Edwards said Between Digital’s own declarations show the company is listed as both a publisher and a reseller on approximately two-thirds of their portfolio.

“It means they are basically playing both sides of the bidding equation, which creates opportunities to direct client spend at your owned and operated properties or client infrastructure, essentially creating opportunities for conflicts of interest,” Edwards told KrebsOnSecurity. “The problem we have right now is that for years we’ve had almost no one policing these ads.txt and app-ads.txt files.”

The Opera Web browser remains quite popular, and probably many users are unaware that since 2016 it has been majority owned and controlled by the Chinese company Kunlun Tech (the operational headquarters of Opera remain in Oslo, Norway).

Opera.com’s profile at DecryptAds identifies 27 registered data brokers collecting information, including 15 adtech partners in the UAE, six in China, three in Cyprus, two in Russia and one each in Hong Kong and Ukraine. DecryptAds makes clear, however, that these companies represent just seven percent of the adtech partners specified in Opera.com’s ads.txt and app-ads.txt files.

LEGAL DOSSIERS

One feature of DecryptAds that sent this author down multiple hours-long research rabbit holes is its Legal Dossier lookup, which takes several minutes for each search but eventually churns out oodles of useful information about who owns a particular domain or app, when it was registered, and any aliases or relationships it may have to adtech companies and other websites or apps.

For example, last month KrebsOnSecurity wrote about researchers from Bitsight who found that an extremely popular line of TV streaming sticks called H96 quietly rent out each user’s Internet connection to strangers. Bitsight also discovered that when these devices aren’t being used to stream pirated video content, they are spoofing themselves as mobile phones clicking ads on AI-generated slop websites.

Bitsight concluded that the same Chinese company that made several of the malicious apps common to all of these H96 streaming sticks — the Fengwo Group — also also ran the network of ads and AI slop websites being clicked on by tens of thousands of these devices that are pretending to be mobile phones.

Examples of ad landing pages linked to the Fengwo Group. These sites were designed to show ads only to H96 devices that were spoofing their device type as mobile phones. Image: Bitsight.

A DecryptAds legal dossier on the (now dormant) Fengwo Group domain name for the AI slop website pictured on the left in the screenshot above (medicalbeautyhub dot com) shows it shares a seller ID (1674071) with a gaming website — giacoloredstones[.]com — which features yet another seller ID (103488000).

Pivoting on that latter seller ID reveals hundreds of active websites within Russia’s Yandex ad system featuring extremely low-quality games or simple utilities that pepper visitors with ads.

QUIET REMOVALS

Edwards said that when advertising networks suspect a given advertiser is engaged in unauthentic clicks or displaying malicious ads, very often those networks will quietly remove the offender from their list of approved partners without letting anyone else know about their suspicions.

This practice, he said, makes it easier for dodgy adtech firms to avoid accountability and continue victimizing others. To address that visibility gap, DecryptAds features a quiet removals feed that records and correlates all of the sellers.json removals across ad exchanges for the same seller domain or name.

A screenshot of the Quiet Removals Feed at decryptads.com.

“The way the adtech industry works, someone will write a report about ad fraud and only share it with their own clients and they won’t make it public,” Edwards said. “The ban is just removing them from the sellers.json file, but they told nobody. One day it was there, the next it was gone. So if you’re trying to navigate who is suspicious, that’s usually tough to do because there are a lot of adtech companies removing things all at once.”

MALVERTISING AND AI SLOP

Malvertising, the term given to the practice of inserting malicious ads that foist malware or redirect visitors to phishing pages, remains an all-too-frequent occurrence in the modern adtech industry. But Edwards said these malicious ads are far more commonly found now on newly generated AI slop websites than on high traffic destinations that typically employ a variety of technologies and third party tools to quickly flag bad ads.

“None of these slop AI content farms are paying for that kind of protection,” he said. “They’re just signing up the lowest quality partners, and it essentially becomes a greased rail to target the users of those sites with malicious ads. Most malvertising attacks don’t happen on espn.com or huffpost.com, but rather [on] some lower quality content farm and someone just went there because it came up in a search.”

Edwards said the AI slop websites are populated with machine-generated blog posts and images, and cover a wide array of themes from home improvement and decorating to food recipes, hunting, cars and consumer technology. He said organizations that get hit with malicious ads are often at a loss for what to do next, unaware that in most cases the answer is one of the entities listed inside the website’s ads.txt or app-ads.txt file.

“A lot of serious organizations are starting to understand that if we’re not breaking down this ad data, we’re not going to know who’s targeting government people with zero-click payloads on an almost daily basis,” he said.

Edwards maintains that truly getting a handle on the malvertising and AI slop problems will require more data-sharing by the major ad networks. Specifically, he says those platforms do not broadly share what’s known as the “supply chain object” or SCO, structured data attached to each advertising bid request that lets buyers see every seller, reseller and intermediary involved in passing an ad impression from the publisher to the final buyer.

“That SCO tells you who sold it or resold it, and who was the final entity that bought the impression that served that malware payload,” Edwards explained. “You may see the malicious zero-click redirection, but without the supply chain object — which is only served server side — you won’t know who targeted your people with malware and won’t have a way to try and prevent it properly. But if we can encourage the adtech industry to expose that SCO, it will get easier to find the culprit behind any one bad ad.”

DecryptAds also offers an application programming interface (API) that allows researchers to automate queries and integrate the site’s functionality into popular AI platforms.

WHAT CAN YOU DO?

The only sane reaction to the examples described above is to block all online ads outright. This approach is broadly endorsed by security experts because it also makes it more difficult for adtech firms and data brokers to build detailed profiles on you and track your movements around the web and in the real world.

However, much depends on how you normally prefer to browse the Internet, and how much trust you place in third party browser plugins and extensions. For those primarily surfing via a regular desktop or laptop Web browser, uBlock Origin Lite is an excellent free and well-maintained open source option. uBlock Origin also should work with mobile browsers like Firefox, but apparently only on Android-based devices.

Adblock Plus is a decent option for iPhone and iPad users. For power users, Adblock and uBlock Origin both support custom blocking rules from easylist.to, which publishes a frequently updated list that removes most advertisements from webpages.

The well established browser extension NoScript blocks all non-approved Javascript code, and it generally does a fine job blocking most ads from loading. However, script blockers like NoScript may not be suitable for average users who don’t enjoy constantly having to referee which scripts should be allowed to load so that each site displays properly.

More technically inclined/adventuresome readers should strongly consider a hardware approach to blocking ads at the local network level, because that is easily the cheapest, most secure and scalable way to do it. A tiny, low-cost and broadly available computer known as a Raspberry Pi can be turned into a powerful ad blocker for all devices on a local network when fitted with a microSD memory card and a free program called Pi-hole. Once you’ve set it up properly and changed your router’s network settings to use the Pi-hole’s DNS sinkhole and DHCP servers, it should prevent ads from displaying on any devices connected to that network.

Bear in mind that ad blockers often do little to block ads and/or tracking that occurs from within mobile apps that users have chosen to install on their devices. Many websites now push users to install a mobile app, supposedly in order to more fully access and enjoy the site’s services and content. But in my experience, they’re not doing this because the user experience is somehow way better on the app (as LinkedIn tries to convince us non-app users several times a week via email). On the contrary, I find most mobile apps to be horribly designed, annoying, and/or completely unnecessary, and when given the option I will almost always choose to interact with a website or service directly in a Web browser.

No, the cold truth is that big web destinations tend to get pushy with their apps because they make it easier for these companies to keep you on their platforms longer and to collect (and in many cases resell) far more precise data about who, what and where their users are. Also, companies pushing customers the hardest to install mobile apps always seem to liberally opt everyone in to having their data used to train large language models these days. So be cautious about the apps you install on your mobile devices (including any smart TVs!), and poke around their listings at DecryptAds if you want to learn more about their privacy practices and any relationships they may have to adtech firms.

Microsoft today released updates to remedy at least 398 security vulnerabilities in its Windows operating systems and supported software, including one weakness that is already being actively exploited and two others that were publicly detailed prior to today.

Image: Shutterstock, Mallika Home Studio.

August’s overstuffed bundle of patch joy from Microsoft did not eclipse its recording breaking release of more than 570 security updates last month, but it is double June’s then-record batch of nearly 200 fixes. Microsoft has attributed the recent patch deluge to vulnerability discoveries aided by artificial intelligence, and experts roundly agree that Windows users should get used to the idea of Patch Tuesdays (the second Tuesday of each month) covering hundreds of newly discovered security flaws.

Fully 42 of the 398 flaws that Microsoft patched today earned Redmond’s most-dire “critical” rating, meaning they are severe enough that malware or malcontents could exploit them to gain remote control over a Windows computer with little to no help from the user.

The sole known “zero day” bug fixed by Microsoft this month is CVE-2026-68820, a privilege escalation weakness in a core Windows component called afd.sys, which the security firm Automox describes as “the driver behind Windows socket connections on effectively every endpoint.”

“This isn’t a front-door bug,” Automox’s Landon Miles wrote in a Patch Tuesday blog post. “It’s step two in a chain: an attacker phishes their way into a low-privilege foothold, then uses the driver flaw to take the box. The 7.0 score reflects the high attack complexity, because race conditions are fiddly. The exploit has to be thrown over and over until the timing lands. Someone is clearly landing it anyway.”

CVE-2026-62832 is another privilege escalation flaw that Microsoft has labeled likely to be exploited; this flaw, in the Windows User Profile Service, may be related to the recent “LegacyHive” public disclosure from the prolific bug hunter known as Nightmare Eclipse. The other publicly disclosed flaw is CVE-2026-72971, a low-impact local tampering vulnerability that Microsoft reckons is unlikely to be exploited.

Other major software makers are likewise increasing their patch volumes and cadence thanks to AI, including Adobe which last month moved to twice-monthly security bulletins published on the 2nd and 4th Tuesday of each month. Cisco, Google, Mozilla and Oracle also are shipping updates far more frequently and abundantly.

By all accounts, AI is quite good at finding security holes in software. But for now at least, patching the resulting bugpocalypse remains a heavily human-centric endeavor, and the jury is still out on whether AI technologies will turn out to be as good at fixing vulnerabilities as they are at finding and exploiting them. This is an important question when one considers that these same AI technologies also are suggesting fixes for the vulnerabilities they find.

Researchers at 1Password recently examined what happens when different large language models (LLMs) generate vulnerability patches for newly disclosed, complex vulnerabilities. They found the LLMs produced patches that failed to fix the flaw or added a new weakness in the process (or both) more than half the time.

Ed Skoudis, president of the SANS Technology Institute, said his team has seen excellent results using AI to generate patches, provided there are humans in the loop to test the suggested fixes and push for iterative improvements.

“AI is rapidly becoming astonishingly good at finding vulnerabilities, but this research shows that fixing them is a very different problem,” Skoudis wrote in a SANS newsletter today. “Don’t expect one-shot AI patching to work reliably. Instead, iterate, test, challenge, improve, and verify. AI can be an extraordinary patching partner, but today it still needs a skilled human at the keyboard.”

Tyler Reguly at Fortra says while reports of Microsoft patching hundreds of vulnerabilities in one go have prompted some organizations to try to patch faster, it’s important to bear in mind that only one of the almost 400 bugs addressed today is known to be actively exploited. Reguly suggested security leaders check in with their teams to see how they’re handling the increasing workloads, which often involve testing fixes before deploying them in production environments.

“If you’re a chief security officer talk to your teams about how they are shifting or modifying their workflows to better accommodate the patching shift that we’re seeing and support them across various organizational units by enabling the changes they want to see made,” Reguly said. “There’s no need to rush these updates, no matter what various vendors and organizations try to tell you. You need to make sure that you are rolling out safe updates that will not negatively impact your systems.”

Speaking of the humans behind the keyboards, don’t neglect to backup your system and/or data before applying this month’s monster patch load. The day after each month’s Patch Tuesday is sometimes derisively referred to as Reboot Wednesday, but it generally doesn’t hurt to wait a few days to apply these huge update bundles because it sometimes takes a couple of days for the occasional misbehaving patch to get ironed out properly by Microsoft.

For a clickable, per-patch breakdown by severity and urgency, check out this roundup from the SANS Internet Storm Center.

Spend time performing forensic analysis on the Windows Operating System and you'll see a host of artifacts that can be used to identify adversary activity. From changes to the registry to the System Resource Utilization Monitor, Windows artifacts run deep. The challenge is locating, extracting, and parsing these artifacts in an efficient manner.

The post KAPE 101: A Kroll Artifact Parser and Extractor Cheatsheet appeared first on Black Hills Information Security, Inc..

Microsoft Corp. today released software updates to plug at least 570 security holes in its Windows operating systems and other software, almost triple the number of vulnerabilities the software giant fixed in its record-smashing Patch Tuesday release last month. Microsoft attributed the burgeoning patch counts to vulnerability discoveries aided by artificial intelligence.

Nearly 60 of the bugs quashed in July’s Patch Tuesday earned a “critical” severity rating, meaning miscreants or malware could use them to seize remote control over a Windows device with little or no help from the user. Microsoft also addressed three zero-day flaws, including two that are already being exploited in the wild.

Two of the zero-day weaknesses allow an attacker to elevate their user rights on a Windows system, as do approximately 250 other elevation of privilege flaws fixed this month; they include CVE-2026-56155 — an Active Directory Federation Services bug — and CVE-2026-56164, a Microsoft Sharepoint vulnerability.

CVE-2026-50661 is a security feature bypass in Windows BitLocker that could allow attackers to gain access to encrypted data if they have physical access to the device. Microsoft said this bug has been detailed publicly, but that it is not aware of any active exploitation.

In a blog post on July 9, Microsoft Executive Vice President Pavan Davuluri wrote that Windows users will notice “a higher volume of security updates included in each security release” as a result of AI aiding in the discovery of vulnerabilities.

“The pace of vulnerability discovery is changing with advances in AI making it possible to find more issues, faster, across more code, with new mechanisms that can accelerate both discovery and analysis,” Davuluri wrote.

Jack Bicer, director of vulnerability research at Action1, called attention to CVE-2026-48561, a remote code execution flaw in Microsoft Copilot (with a 9.6 CVSS threat score) that allows an unauthorized attacker to execute code over the network. Microsoft says an attacker could exploit this bug by hosting a malicious website that causes Microsoft Edge for Android to automatically send crafted prompts to Copilot when a user visits the site.

As AI advances the state of vulnerability discovery and remediation, it is also making it easier for attackers to quickly devise working exploits for known software flaws. Microsoft has long labeled security bugs using its “exploitability index,” which is Redmond’s best guess as to how likely it is that attackers will be able to figure out a reliable way to exploit a given vulnerability.

But Satnam Narang, senior staff research engineer at Tenable, argues that Microsoft’s exploitability index needs to do a better job of shifting with the machine speed of discovery. For example, Microsoft originally gave this month’s SharePoint zero-day an exploitability rating of “less likely,” although the flaw was added to CISA’s Known Exploited Vulnerabilities list on July 1.

“Anthropic’s Red Team’s own findings for known vulnerabilities (n-days) revealed how fragile this system has become, with its Mythos Preview model being able to produce proof-of-concept exploits for 13 of 14 vulnerabilities that were rated ‘Exploitation Less Likely’ or ‘Exploitation Unlikely,'” Narang said. “What this means is that our way of looking at Patch Tuesday has changed, because the exploitability index is centered around humans, not AI tools, and as these tools continue to improve, defense needs to improve alongside it.”

Chris Goettl at Ivanti observed that the record patch numbers from Microsoft come as a number of other major software makers are increasing their patch cadence, including Adobe which announced today it is moving to twice-monthly security bulletins published on the 2nd and 4th Tuesday of each month (Adobe also cited AI for accelerating their patch cycles). Cisco, Mozilla and Oracle also are shipping updates more frequently, while Google’s patch batches in June 2026 totaled more than 900 security fixes, Goettl noted.

Backing up your Windows system and/or data is always a good idea before applying operating system updates. Given the volume of patches addressed this month it may be wise for end users to wait a few days before applying these fixes. It’s not uncommon for security patches to introduce system stability issues, and those chances probably increase quite a bit with the gigantic patch count released today.

Further reading:

Action1’s Patch Tuesday blog

Automox’s rundown

A working checkout page is often the moment a business starts to feel real. The products are live, the cart is functional, payments are flowing, and orders are landing in your inbox. That is also when security shifts from a background concern to a real-world risk.

Once your website starts accepting credit card payments, it becomes part of a payment environment attackers actively look for.

That does not mean every small ecommerce store needs an enterprise security team.

Continue reading PCI Compliance Isn’t a Checkbox: How to Secure Ecommerce Checkouts Before Attackers Arrive at Sucuri Blog.

You can now connect your agents to the AWS MCP Server using the same credentials and sign-in methods that you already use for connecting to the AWS Management Console or AWS Command Line Interface (AWS CLI) through a familiar browser-based experience powered by industry-standard OAuth. This new sign-in path supports AWS Identity and Access Management (IAM) federation, AWS IAM Identity Center, and root or IAM users.

In addition, AWS is introducing several new security and governance tools, including: new global condition keys for OAuth, token introspection and revocation, dynamic client registration, new AWS CloudTrail elements, and a new API for headless OAuth connectivity. All of this is compatible with your existing IAM configuration including permissions, roles, and federated access.

In this post, you’ll learn how to connect your agents to the AWS MCP Server, understand how AWS Sign-In authorizes agent access, and manage access using new security and governance capabilities.

How to connect an agent to the AWS MCP Server

This walkthrough uses Claude Code, but the same steps apply to any agent that supports Model Context Protocol (MCP) such as Kiro, Codex, and Gemini. See Setting up the AWS MCP Server for how to connect the AWS MCP Server to an agent.

Prerequisite permissions

To connect an agent to the AWS MCP Server, you’ll need the IAM permissions required for OAuth-based sign-in. The following AWS CLI command adds a managed policy with required permissions to your IAM role (remember to replace <MyRole> with your IAM role):

aws iam attach-role-policy \
  --role-name <MyRole> \
  --policy-arn arn:aws:iam::aws:policy/AWSMCPSignInOAuthAccessPolicy

Step 1: Configure the AWS MCP Server on your agent

Run the following command to add the AWS MCP Server endpoint to your agent’s configuration as shown in Figure 1:

claude mcp add --transport http aws-mcp https://aws-mcp.us-east-1.api.aws/mcp

Figure 1: Adding the AWS MCP Server endpoint to Claude Code

Step 2: Review the authorization request

The first time your agent needs to access the AWS MCP Server, it opens a browser and redirects you to an AWS Sign-In page, shown in Figure 2. Authenticate as you would on AWS console or AWS CLI, review the authorization request, and approve access. You should receive an Authorization successful message.

Figure 2: Review authorization request

Note that if you already have an active AWS Sign-In session (e.g., because you previously signed in to the console earlier in the day), you can reuse that session without needing to sign in again.

Step 3: Start using AWS tools

After connecting your agent to the AWS MCP Server, you can begin invoking tools provided by the server. To verify that Claude Code is connected to the AWS MCP Server, start Claude Code and run the following command:

/mcp

The command displays the configured MCP servers and confirms that the AWS MCP Server is connected and ready to use with your AWS credentials.

Figure 3 shows an example of a successful connection to the AWS MCP Server.

Figure 3: Verifying the AWS MCP Server connection in Claude Code

After the connection is established, you can ask Claude Code to invoke tools provided by the AWS MCP Server. For example, enter the following prompt:

Deploy a sample serverless web application into my development AWS account

Claude Code uses the AWS MCP Server to identify the active AWS account, confirm the target account, and describe the deployment it plans to perform before invoking AWS services on your behalf.

Figure 4 shows Claude Code confirming the active AWS account and outlining the resources that will be deployed.

Figure 4: Using Claude Code to deploy a sample serverless application through the AWS MCP Server

Authorization models and how they work

AWS Sign-In supports two authorization models for connecting agents to the AWS MCP Server:

• Interactive authorization for developers’ AI agents using browser based authentication
• Non-interactive (headless) authorization for applications and AI agents that already have AWS credentials and don’t have access to a browser

Note that authorizing an agent allows it to access the AWS MCP Server on your behalf. It doesn’t grant the agent additional AWS permissions. Every request is still evaluated using your existing IAM policies, SCPs, RCPs, permission boundaries, and other organizational controls.

Interactive access

In the interactive case, the agent first discovers the AWS Sign-In OAuth server and then registers itself as an OAuth client using Dynamic Client Registration (DCR). It then redirects you to an AWS Sign-In page where you authenticate and authorize access (step 2 in the preceding section). After successful authorization, AWS Sign-In then issues short-lived access tokens and refresh tokens that authorize the agent to access the AWS MCP Server on your behalf. AWS Sign-In automatically manages token issuance and token refresh, enabling authorized agents to continue accessing the AWS MCP Server without requiring you to repeatedly sign in.

The interactive authorization model supports three distinct sign-in methods: native AWS IAM credentials for individual developers, managed access through AWS IAM Identity Center for enterprises, and seamless federated access via third-party providers like Okta and Ping Identity for larger organizations.

OAuth server metadata and DCR

Before an agent can request authorization, it must discover the AWS Sign-In OAuth endpoints and register itself as an OAuth client. AWS Sign-In supports OAuth metadata discovery and DCR, allowing supported agents to configure themselves automatically without requiring developers to manually provision OAuth client IDs and client secrets. When an agent connects to the AWS MCP Server for the first time, it retrieves the AWS MCP Server’s protected resource metadata (RFC 9728) and the AWS Sign-In OAuth metadata (RFC 8414). The agent then uses (RFC 7591) to register with AWS Sign-In, obtain a client ID, and initiate the standard OAuth authorization code flow.

AWS Sign-In supports OAuth discovery and DCR for agents running on local workstations and supported hosted environments. For the current list of supported agents and environments, see Supported redirect URIs for the AWS MCP Server.

Non-interactive access to the AWS MCP Server

Non-interactive (headless) authorization is for agents and applications that run without a browser or human in the loop, and thus don’t require interactive sign-in. This allows agents that already have AWS credentials to obtain OAuth access tokens and connect to the AWS MCP Server. The following is an example of how to obtain an access token.

aws signin create-oauth2-token-with-iam \ 
--grant-type client_credentials \ 
--resource aws-mcp.amazonaws.com \  
--region us-east-1 
{ 
"accessToken": "ASOA****************************************...", 
"tokenType": "Bearer", 
"expiresIn": 3600 
}

In the non-interactive case, AWS Sign-In implements the OAuth client credentials grant using AWS security credentials instead of a static client secret. Applications authenticate to the AWS Sign-In token endpoint using SigV4 creds, and AWS Sign-In returns a short-lived OAuth access token that can be used to access the AWS MCP Server.

Please note you may have to update the SDK and AWS CLI, please refer to CLI guide.

Managing OAuth access

AWS Sign-In extends the existing IAM authorization model with capabilities for governing OAuth access to the AWS MCP Server. Administrators can use familiar IAM policies together with new OAuth-specific controls.

Granting OAuth permissions

OAuth access is governed using IAM policies and requires the following IAM actions:

• signin:AuthorizeOAuth2Access – Allows users to sign in interactively using the OAuth authorization code flow
• signin:CreateOAuth2Token – Allows applications to obtain OAuth access tokens by exchanging authorization codes, refresh tokens, or using client credentials

When an application requests access, AWS Sign-In creates an OAuth authorization grant between the agent and the AWS MCP Server. This grant is represented as an IAM resource, which the preceding AWS Sign-In actions are authorized against.

arn:aws:signin:us-east-1:012345678910:service-principal/aws-mcp.amazonaws.com

OAuth authorization grants are represented as an IAM resource enabling administrators to use standard IAM policy constructs, including global condition keys, together with OAuth-specific condition keys to control how authorization grants are created and used.

Governing OAuth access

AWS Sign-In introduces OAuth-specific condition keys that allow administrators to govern how agents obtain OAuth authorization. The following examples demonstrate common governance patterns.

To restrict OAuth authorization to localhost:

In addition to accessing the AWS MCP Server with agents on your local workstation, AWS supports signing into the AWS MCP Server on select hosted providers through dynamic client registration. Click here to view the list of supported remote providers. Many organizations want to allow developers to authorize agents running on their local workstations while preventing OAuth tokens from being delivered to untrusted redirect URIs or using unsupported authorization flows. The following policy allows only the OAuth authorization code and refresh token flows for the AWS MCP server and restricts token delivery tolocalhost.

{
  "Version": "2012-10-17",
  "Statement": [
    {
      "Effect": "Allow",
      "Action": [
        "signin:AuthorizeOAuth2Access",
        "signin:CreateOAuth2Token"
      ],
      "Resource": "arn:aws:signin:*:*:service-principal/aws-mcp.amazonaws.com",
      "Condition": {
        "StringLike": {
          "signin:OAuthRedirectUri": "http://localhost:*"
        },
        "StringEquals": {
          "signin:OAuthGrantType": [
            "authorization_code",
            "refresh_token"
          ]
        }
      }
    }
  ]
}

To deny access for a specific OAuth session

Use the aws:SignInSessionArn global condition key to deny authorization associated with a specific sign-in session. This allows administrators to contain a suspicious or compromised authorization session without affecting other active sessions.

{
  "Version": "2012-10-17",
  "Statement": [
    {
      "Effect": "Deny",
      "Action": [
        "*"
      ],
      "Resource": "*",
      "Condition": {
        "ArnEquals": {
          "aws:SignInSessionArn": "arn:aws:signin:us-east-1:111122223333:session/abc123-example-session-id"
        }
      }
    }
  ]
}

These examples demonstrate common governance patterns. Additional IAM and SCP examples are available in the AWS Sign-In condition keys reference.

Revoking OAuth tokens

AWS Sign-In provides OAuth token introspection and token revocation APIs that allow administrators to build custom tools for token validation and revocation. Access to these APIs is controlled through the signin:IntrospectOAuth2Token and signin:RevokeOAuth2Token permissions. IAM principals with permissions are allowed to introspect and revoke tokens for the same account.

The introspection API can be used to determine whether a token is active and obtain information about the associated authorization. The revocation API allows administrators and security tools to revoke individual refresh tokens without affecting other active sessions. For example, if an organization needs to invalidate access for a specific OAuth authorization, account admins can revoke the associated refresh token without affecting other active sessions.

Monitoring OAuth activity

OAuth-related activities are recorded in AWS CloudTrail, including authorization requests, token issuance, token revocation, and token introspection events. CloudTrail logs also capture details such as the OAuth client, target the AWS MCP Server, redirect URI, authorization flow, and associated sign-in session. In addition, AWS API calls made using OAuth access tokens include the associated aws:SignInSessionArn context, allowing organizations to correlate API activity with the originating OAuth sign-in session.

This allows security teams to monitor OAuth usage, investigate authorization activity, detect anomalous behavior, and integrate OAuth events into existing auditing, compliance, and incident response workflows alongside other AWS activity.

Here’s a CloudTrail sample for an AuthorizeOAuth2Access event:

{
    "eventVersion": "1.11",
    "userIdentity": {
        "type": "AssumedRole",
        "principalId": "AROATJHQDX737YZP****:testuser",
        "arn": "arn:aws:sts::111111111111:assumed-role/Admin/testuser",
        "accountId": "111111111111",
        "sessionContext": {
            "sessionIssuer": {
                "type": "Role",
                "principalId": "AROA2IRT4N5U4RDHM2LG4",
                "arn": "arn:aws:iam::111111111111:role/Admin",
                "accountId": "111111111111",
                "userName": "Admin"
            },
            "attributes": {
                "creationDate": "2026-06-09T05:06:39Z",
                "mfaAuthenticated": "false"
            }
        }
    },
    "eventTime": "2026-06-09T05:09:00Z",
    "eventSource": "signin.amazonaws.com",
    "eventName": "AuthorizeOAuth2Access",
    "awsRegion": "us-west-2",
    "sourceIPAddress": "192.0.0.2",
    "userAgent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/149.0.0.0 Safari/537.36",
    "requestParameters": {
        "resource": "https://aws-mcp.us-west-2.api.aws/mcp",
        "redirect_uri": "http://127.0.0.1:60432/oauth/callback",
        "code_challenge_method": "S256",
        "client_id": "arn:aws:signin:us-west-2::external-client/dcr/609544da-aasa-49a4-ab11-c2r457fa999"
    },
    "responseElements": null,
    "additionalEventData": {
        "success": "true"
    },
    "requestID": "4fb4ff7b-6yu7-9090-78i9-9c0088a65134",
    "eventID": "bb05b222-31ec-4237-b8e7-8eb26d4fd48b",
    "readOnly": true,
    "eventType": "AwsApiCall",
    "managementEvent": true,
    "recipientAccountId": "111111111111",
    "eventCategory": "Management",
    "tlsDetails": {
        "tlsVersion": "TLSv1.3",
        "cipherSuite": "TLS_AES_128_GCM_SHA256",
        "clientProvidedHostHeader": "us-west-2.oauth.signin.aws"
    }
}

Here’s a CloudTrail sample for a CreateOAuth2Token event:

{
    "eventVersion": "1.11",
    "userIdentity": {
        "type": "AssumedRole",
        "principalId": "AROATJHQDX737YZP7****:testuser",
        "arn": "arn:aws:sts::111111111111:assumed-role/Admin/testuser",
        "accountId": "111111111111",
        "sessionContext": {
            "sessionIssuer": {
                "type": "Role",
                "principalId": "AROA2IRT4N5U4RDHM****",
                "arn": "arn:aws:iam::111111111111:role/Admin",
                "accountId": "111111111111",
                "userName": "Admin"
            },
            "attributes": {
                "creationDate": "2026-06-09T05:06:39Z",
                "mfaAuthenticated": "false"
            },
            "signInSessionArn":"arn:aws:signin:us-west-2:111111111111:session/daff060f-7871-5tg6-67yu-a07bbdabe61a"
            
        }
    },
    "eventTime": "2026-06-09T05:10:04Z",
    "eventSource": "signin.amazonaws.com",
    "eventName": "CreateOAuth2Token",
    "awsRegion": "us-west-2",
    "sourceIPAddress": "192.0.0.2",
    "userAgent": "curl/8.7.1",
    "requestParameters": {
        "resource": "https://aws-mcp.us-west-2.api.aws/mcp",
        "client_id": "arn:aws:signin:us-west-2::external-client/dcr/609544da-b3dd-49a4-ab11-c2e98d7fa999"
    },
    "responseElements": null,
    "additionalEventData": {
        "signInSessionArn": "arn:aws:signin:us-west-2:111111111111:session/daff060f-7871-5tg6-67yu-a07bbdabe61a",
        "grant_type": "refresh_token",
        "success": "true"
    },
    "requestID": "44d6d7ce-e4r5-4cbf-0909-bfb8a8295a76",
    "eventID": "f79cc63f-b383-4e3c-a1e5-97c7db1ab833",
    "readOnly": true,
    "eventType": "AwsApiCall",
    "managementEvent": true,
    "recipientAccountId": "111111111111",
    "eventCategory": "Management",
    "tlsDetails": {
        "tlsVersion": "TLSv1.3",
        "cipherSuite": "TLS_AES_128_GCM_SHA256",
        "clientProvidedHostHeader": "us-west-2.oauth.signin.aws"
    }
}

Additional audit events and logging details for calls made using OAuth access tokens to the AWS MCP Server can be found in Logging AWS MCP Server API calls using AWS CloudTrail.

Conclusion

AWS Sign-In support for OAuth enables you to securely connect to the AWS MCP Server using industry-standard authorization. This release simplifies application and agent integration with AWS while supporting your existing IAM setup, governance, and auditing capabilities.

To learn more, see Sign-In with OAuth 2.0 in the AWS Sign-In User Guide and Setting up the AWS MCP Server in the Agent Toolkit for AWS User Guide.

If you have feedback about this post, submit comments in the Comments section below.

What we built, Fusion AI, runs at about a third the cost of a traditional external pentest, a human tester still signs off on every finding, and it is not here to replace anybody.
We have been hearing that one a lot. So when Melisa from our Business Capture team sat down with Brian Fehrman and me for this episode of AI Security Ops, she started with, “What is this thing you built, and is it the same hype everyone else is selling?”

The post Everyone’s Selling AI That Kills Pentesting. We Built One That Doesn’t. appeared first on Black Hills Information Security, Inc..

Microsoft today released software updates to plug nearly 200 security holes across its Windows operating systems and supported software, a record number of fixes for the company’s monthly Patch Tuesday cycle. Nearly three dozen of those bugs earned Microsoft’s most dire “critical” rating, and exploit code for at least three of the weaknesses is now publicly available.

The software giant said in a blog post last month that both its engineers and the security community are increasing using artificial intelligence tools to find bugs, meaning this month’s heavy Patch Tuesday may start to become the norm, said Satnam Narang, senior staff research engineer at Tenable.

“Some surveys put AI usage among security professionals generally at 90%, so it’s unsurprising that this volume of patches may be the norm,” Narang said. “Pandora’s proverbial box has been opened, and as more advanced AI models become available, we expect the norm to continue upward across the board, not just for Patch Tuesday.”

June’s zero-day bugs include CVE-2026-49160, a denial of service vulnerability affecting a range of web servers, including Microsoft Internet Information Services (IIS). Microsoft says the flaw was reported by OpenAI’s Codex.

Two of the zero-days addressed this month appear to stem from recent vulnerability disclosures by Nightmare Eclipse, the nickname chosen by a security researcher who has been dropping exploits for various Windows flaws. One of those, dubbed “GreenPlasma,” leverages an elevation of privilege weakness in the Windows Collaborative Translation Framework, the same framework patched today in CVE-2026-45586.

Nightmare Eclipse also last month released “YellowKey,” an exploit for a Windows BitLocker vulnerability that allows an attacker with physical access to view encrypted data, and CVE-2026-50507 is a patch for an elevation of privilege bug in BitLocker.

Microsoft received heavy blowback on social media last month after it said in a blog post that it was considering taking legal action against the security researcher. The company later clarified on Twitter/X that while it has no intention of pursuing legal actions against researchers, it would report them to authorities if they break the law. The advisories for CVE-2026-49160 and CVE-2026-50507 do not credit any researchers in the acknowledgement section, saying only that “Microsoft recognizes the efforts of those in the security community who help us protect customers through coordinated vulnerability disclosure.”

Nightmare Eclipse claims to be a former employee of Microsoft, although Microsoft has not responded to questions about this claim. Rapid7 notes that a recent blog post by Nightmare Eclipse included an image of Albert Wesker, a character from the Resident Evil video game series who formerly worked as a researcher for a technology company before going rogue.

Nightmare Eclipse has pledged to release even more zero-day exploits for Windows in what they called a “bone shattering” drop planned for July 14 (the same day as next month’s Patch Tuesday). Immediately following the release of Microsoft patches today, the researcher published an exploit for what they claimed was a zero-day bug in Windows Defender.

While 200 vulnerabilities may be a record for Patch Tuesday, the actual number of security flaws Microsoft addressed this month is far higher, said Rapid7’s Adam Barnett.

“So far this month, Microsoft has provided patches to address 360 browser vulnerabilities, which is an order of magnitude more than has been typical in any given month over the past few years,” Barnett wrote. “As usual, browser [flaws] are not included in the Patch Tuesday count above. Indeed, the vast, and presumably sustained, uptick in the number of browser vulnerabilities has led to Microsoft no longer enumerating Chromium CVEs in the Security Update Guide.”

Microsoft also patched a zero-day vulnerability in Visual Studio Code that allows attackers to steal GitHub tokens with a single click. The company was forced to push a stopgap fix for the flaw on June 3, after a researcher published instructions showing how to exploit it. The researcher said they opted not to work with Microsoft because of a recent experience wherein Redmond silently patched a flaw they reported without offering credit or recognition.

Microsoft battled its own internal zero-day emergencies last week, after at least 72 of the company’s public code repositories were infected with a variant of the Shai-Hulud worm. Researchers found that all of the affected packages were connected to Microsoft official Azure Durable Task SDK, which got hit by the same Shai-Hulud worm in May.

Other major software makers are also shipping outsized update bundles this month. Adobe has released updates to fix a massive number of critical vulnerabilities across a range of products, including Adobe Experience Manager, Acrobat Reader and Cold Fusion. On June 3, Google resolved a whopping 429 vulnerabilities in its latest Chrome browser update (Chrome automatically downloads updates but installing them usually requires a complete restart of the browser).

As ever, please consider backing up your data before applying operating system updates, and drop a note in the comments if you run into any problems with this month’s patches.

Further reading:

Microsoft’s Security Update Guide

Action1’s Patch Tuesday breakdown

SANS Internet Storm Center notes on Patch Tuesday

Welcome to GoGatoZ — a purpose-built Go tool for GitLab CI/CD security auditing that can perform and automate the entire CI/CD kill chain along with everything those one-off scripts did and then some.

The post Auditing GitLab: The CI/CD Kill Chain appeared first on Black Hills Information Security, Inc..

Open-source framework ROADtools is being misused by threat actors for cloud intrusions. Learn how to identify its malicious use.

The post Paved With Intent: ROADtools and Nation-State Tactics in the Cloud appeared first on Unit 42.

Data breach notification letters have become a familiar routine. They usually start with “We value your privacy” and offer a year of free credit monitoring. But the most important part is often hidden in the middle:

A list of what actually got out.

A leaked email address is not a leaked admin password. A hashed credential is not a session token. There is no universal post-breach checklist. The right response depends on the data exposed, so read the notice carefully and match your response to the level of exposure.

Continue reading What to Do When a Third-Party Data Breach Puts Your Website at Risk at Sucuri Blog.

In the ever-evolving world of cybersecurity, staying ahead of the curve is not just a goal—it’s a necessity. As new vulnerabilities emerge, the race to identify and mitigate them begins. But how do we, the guardians of the digital realm, rapidly pinpoint these threats as they become public? Let’s dive into the fascinating world of vulnerability identification and see how the magic happens.

The post How to Identify and Exploit New Vulnerabilities appeared first on Black Hills Information Security, Inc..

This blog will not dive too deeply into BloodHound itself; instead, we will focus on various methods to collect AD data to provide BloodHound as input.

The post A Practical Guide to BloodHound Data Collection appeared first on Black Hills Information Security, Inc..

What is 2FA?

Two-factor authentication (2FA) offers a second layer of security to help protect an account from brute force, phishing, and social engineering attacks.

2FA requires an extra step for a user to prove their identity, which reduces the chance of a bad actor gaining access to their account or data. And since notifications are sent to verify the initial authentication via username and passwords, it also gives users and business the ability to monitor for potential indicators of a compromise.

Continue reading Why 2FA SMS is a Bad Idea in 2026 at Sucuri Blog.

This overview of the basics of Cloud Security includes some tips and resources for getting started in defending the cloud.

The post Cloud Security: Tips and Resources for Securing the Cloud appeared first on Black Hills Information Security, Inc..

Microsoft Corp. today pushed security updates to fix at least 77 vulnerabilities in its Windows operating systems and other software. There are no pressing “zero-day” flaws this month (compared to February’s five zero-day treat), but as usual some patches may deserve more rapid attention from organizations using Windows. Here are a few highlights from this month’s Patch Tuesday.

Image: Shutterstock, @nwz.

Two of the bugs Microsoft patched today were publicly disclosed previously. CVE-2026-21262 is a weakness that allows an attacker to elevate their privileges on SQL Server 2016 and later editions.

“This isn’t just any elevation of privilege vulnerability, either; the advisory notes that an authorized attacker can elevate privileges to sysadmin over a network,” Rapid7’s Adam Barnett said. “The CVSS v3 base score of 8.8 is just below the threshold for critical severity, since low-level privileges are required. It would be a courageous defender who shrugged and deferred the patches for this one.”

The other publicly disclosed flaw is CVE-2026-26127, a vulnerability in applications running on .NET. Barnett said the immediate impact of exploitation is likely limited to denial of service by triggering a crash, with the potential for other types of attacks during a service reboot.

It would hardly be a proper Patch Tuesday without at least one critical Microsoft Office exploit, and this month doesn’t disappoint. CVE-2026-26113 and CVE-2026-26110 are both remote code execution flaws that can be triggered just by viewing a booby-trapped message in the Preview Pane.

Satnam Narang at Tenable notes that just over half (55%) of all Patch Tuesday CVEs this month are privilege escalation bugs, and of those, a half dozen were rated “exploitation more likely” — across Windows Graphics Component, Windows Accessibility Infrastructure, Windows Kernel, Windows SMB Server and Winlogon. These include:

–CVE-2026-24291: Incorrect permission assignments within the Windows Accessibility Infrastructure to reach SYSTEM (CVSS 7.8)
–CVE-2026-24294: Improper authentication in the core SMB component (CVSS 7.8)
–CVE-2026-24289: High-severity memory corruption and race condition flaw (CVSS 7.8)
–CVE-2026-25187: Winlogon process weakness discovered by Google Project Zero (CVSS 7.8).

Ben McCarthy, lead cyber security engineer at Immersive, called attention to CVE-2026-21536, a critical remote code execution bug in a component called the Microsoft Devices Pricing Program. Microsoft has already resolved the issue on their end, and fixing it requires no action on the part of Windows users. But McCarthy says it’s notable as one of the first vulnerabilities identified by an AI agent and officially recognized with a CVE attributed to the Windows operating system. It was discovered by XBOW, a fully autonomous AI penetration testing agent.

XBOW has consistently ranked at or near the top of the Hacker One bug bounty leaderboard for the past year. McCarthy said CVE-2026-21536 demonstrates how AI agents can identify critical 9.8-rated vulnerabilities without access to source code.

“Although Microsoft has already patched and mitigated the vulnerability, it highlights a shift toward AI-driven discovery of complex vulnerabilities at increasing speed,” McCarthy said. “This development suggests AI-assisted vulnerability research will play a growing role in the security landscape.”

Microsoft earlier provided patches to address nine browser vulnerabilities, which are not included in the Patch Tuesday count above. In addition, Microsoft issued a crucial out-of-band (emergency) update on March 2 for Windows Server 2022 to address a certificate renewal issue with passwordless authentication technology Windows Hello for Business.

Separately, Adobe shipped updates to fix 80 vulnerabilities — some of them critical in severity — in a variety of products, including Acrobat and Adobe Commerce. Mozilla Firefox v. 148.0.2 resolves three high severity CVEs.

For a complete breakdown of all the patches Microsoft released today, check out the SANS Internet Storm Center’s Patch Tuesday post. Windows enterprise admins who wish to stay abreast of any news about problematic updates, AskWoody.com is always worth a visit. Please feel free to drop a comment below if you experience any issues apply this month’s patches.

Learn about a pentesting tool using the Pluggable Authentication Module for privilege escalation, lateral movement, and persistence in Linux.

The post The “P” in PAM is for Persistence: Linux Persistence Technique appeared first on Black Hills Information Security, Inc..

In early January 2026, KrebsOnSecurity revealed how a security researcher disclosed a vulnerability that was used to build Kimwolf, the world’s largest and most disruptive botnet. Since then, the person in control of Kimwolf — who goes by the handle “Dort” — has coordinated a barrage of distributed denial-of-service (DDoS), doxing and email flooding attacks against the researcher and this author, and more recently caused a SWAT team to be sent to the researcher’s home. This post examines what is knowable about Dort based on public information.

A public “dox” created in 2020 asserted Dort was a teenager from Canada (DOB August 2003) who used the aliases “CPacket” and “M1ce.” A search on the username CPacket at the open source intelligence platform OSINT Industries finds a GitHub account under the names Dort and CPacket that was created in 2017 using the email address jay.miner232@gmail.com.

Image: osint.industries.

The cyber intelligence firm Intel 471 says jay.miner232@gmail.com was used between 2015 and 2019 to create accounts at multiple cybercrime forums, including Nulled (username “Uubuntuu”) and Cracked (user “Dorted”); Intel 471 reports that both of these accounts were created from the same Internet address at Rogers Canada (99.241.112.24).

Dort was an extremely active player in the Microsoft game Minecraft who gained notoriety for their “Dortware” software that helped players cheat. But somewhere along the way, Dort graduated from hacking Minecraft games to enabling far more serious crimes.

Dort also used the nickname DortDev, an identity that was active in March 2022 on the chat server for the prolific cybercrime group known as LAPSUS$. Dort peddled a service for registering temporary email addresses, as well as “Dortsolver,” code that could bypass various CAPTCHA services designed to prevent automated account abuse. Both of these offerings were advertised in 2022 on SIM Land, a Telegram channel dedicated to SIM-swapping and account takeover activity.

The cyber intelligence firm Flashpoint indexed 2022 posts on SIM Land by Dort that show this person developed the disposable email and CAPTCHA bypass services with the help of another hacker who went by the handle “Qoft.”

“I legit just work with Jacob,” Qoft said in 2022 in reply to another user, referring to their exclusive business partner Dort. In the same conversation, Qoft bragged that the two had stolen more than $250,000 worth of Microsoft Xbox Game Pass accounts by developing a program that mass-created Game Pass identities using stolen payment card data.

Who is the Jacob that Qoft referred to as their business partner? The breach tracking service Constella Intelligence finds the password used by jay.miner232@gmail.com was reused by just one other email address: jacobbutler803@gmail.com. Recall that the 2020 dox of Dort said their date of birth was August 2003 (8/03).

Searching this email address at DomainTools.com reveals it was used in 2015 to register several Minecraft-themed domains, all assigned to a Jacob Butler in Ottawa, Canada and to the Ottawa phone number 613-909-9727.

Constella Intelligence finds jacobbutler803@gmail.com was used to register an account on the hacker forum Nulled in 2016, as well as the account name “M1CE” on Minecraft. Pivoting off the password used by their Nulled account shows it was shared by the email addresses j.a.y.m.iner232@gmail.com and jbutl3@ocdsb.ca, the latter being an address at a domain for the Ottawa-Carelton District School Board.

Data indexed by the breach tracking service Spycloud suggests that at one point Jacob Butler shared a computer with his mother and a sibling, which might explain why their email accounts were connected to the password “jacobsplugs.” Neither Jacob nor any of the other Butler household members responded to requests for comment.

The open source intelligence service Epieos finds jacobbutler803@gmail.com created the GitHub account “MemeClient.” Meanwhile, Flashpoint indexed a deleted anonymous Pastebin.com post from 2017 declaring that MemeClient was the creation of a user named CPacket — one of Dort’s early monikers.

Why is Dort so mad? On January 2, KrebsOnSecurity published The Kimwolf Botnet is Stalking Your Local Network, which explored research into the botnet by Benjamin Brundage, founder of the proxy tracking service Synthient. Brundage figured out that the Kimwolf botmasters were exploiting a little-known weakness in residential proxy services to infect poorly-defended devices — like TV boxes and digital photo frames — plugged into the internal, private networks of proxy endpoints.

By the time that story went live, most of the vulnerable proxy providers had been notified by Brundage and had fixed the weaknesses in their systems. That vulnerability remediation process massively slowed Kimwolf’s ability to spread, and within hours of the story’s publication Dort created a Discord server in my name that began publishing personal information about and violent threats against Brundage, Yours Truly, and others.

Dort and friends incriminating themselves by planning swatting attacks in a public Discord server.

Last week, Dort and friends used that same Discord server (then named “Krebs’s Koinbase Kallers”) to threaten a swatting attack against Brundage, again posting his home address and personal information. Brundage told KrebsOnSecurity that local police officers subsequently visited his home in response to a swatting hoax which occurred around the same time that another member of the server posted a door emoji and taunted Brundage further.

Dort, using the alias “Meow,” taunts Synthient founder Ben Brundage with a picture of a door.

Someone on the server then linked to a cringeworthy (and NSFW) new Soundcloud diss track recorded by the user DortDev that included a stickied message from Dort saying, “Ur dead nigga. u better watch ur fucking back. sleep with one eye open. bitch.”

“It’s a pretty hefty penny for a new front door,” the diss track intoned. “If his head doesn’t get blown off by SWAT officers. What’s it like not having a front door?”

With any luck, Dort will soon be able to tell us all exactly what it’s like.

Update, 10:29 a.m.: Jacob Butler responded to requests for comment, speaking with KrebsOnSecurity briefly via telephone. Butler said he didn’t notice earlier requests for comment because he hasn’t really been online since 2021, after his home was swatted multiple times. He acknowledged making and distributing a Minecraft cheat long ago, but said he hasn’t played the game in years and was not involved in Dortsolver or any other activity attributed to the Dort nickname after 2021.

“It was a really old cheat and I don’t remember the name of it,” Butler said of his Minecraft modification. “I’m very stressed, man. I don’t know if people are going to swat me again or what. After that, I pretty much walked away from everything, logged off and said fuck that. I don’t go online anymore. I don’t know why people would still be going after me, to be completely honest.”

When asked what he does for a living, Butler said he mostly stays home and helps his mom around the house because he struggles with autism and social interaction. He maintains that someone must have compromised one or more of his old accounts and is impersonating him online as Dort.

“Someone is actually probably impersonating me, and now I’m really worried,” Butler said. “This is making me relive everything.”

But there are issues with Butler’s timeline. For example, Jacob’s voice in our phone conversation was remarkably similar to the Jacob/Dort whose voice can be heard in this Sept. 2022 Clash of Code competition between Dort and another coder (Dort lost). At around 6 minutes and 10 seconds into the recording, Dort launches into a cursing tirade that mirrors the stream of profanity in the diss rap that Dortdev posted threatening Brundage. Dort can be heard again at around 16 minutes; at around 26:00, Dort threatens to swat his opponent.

Butler said the voice of Dort is not his, exactly, but rather that of an impersonator who had likely cloned his voice.

“I would like to clarify that was absolutely not me,” Butler said. “There must be someone using a voice changer. Or something of the sorts. Because people were cloning my voice before and sending audio clips of ‘me’ saying outrageous stuff.”

Further reading:

Jan. 8, 2026: Who Benefited from the Aisuru and Kimwolf Botnets?

Jan. 20, 2026: Kimwolf Botnet Lurking in Corporate, Govt. Networks

Jan. 26, 2026: Who Operates the Badbox 2.0 Botnet?

Feb. 11, 2026: Kimwolf Botnet Swamps Anonymity Network I2P

Mar. 19, 2026: Feds Disrupt IoT Botnets Behind Huge DDoS Attacks