Networks used to be simple. A perimeter. A data center. A set of rules a single engineer could hold in their head. That world is long gone. Every wave of enterprise transformation – cloud migration, M&A, hybrid multi-cloud, IoT, remote work – added another layer of complexity. Each with its own topology, traffic patterns, and security assumptions. The complexity grew exponentially. And security followed, manually – more policies to author, more configurations to validate, more vendors to manage. The part that doesn’t show up in vendor presentations is that modern network security runs on institutional know-how. It lives in the […]

The post The Network Security Problem No One Could Solve – Until Now. appeared first on Check Point Blog.

Attackers are increasingly abusing Microsoft’s decades-old MSHTA utility to stealthily deliver stealers, loaders, and persistent malware through phishing, fake software downloads, and LOLBIN-based attack chains.

The post Legacy Windows Tool MSHTA Fuels Surge in Silent Malware Attacks appeared first on SecurityWeek.

IT teams are increasingly overwhelmed by alerts from disconnected systems, forcing responders to manually coordinate investigations during network incidents. This webinar explores how automation and AI-assisted workflows can help reduce response delays and improve operational coordination. [...]

Microsoft says customers in restricted network environments may encounter Windows Update failures after installing the January 2026 optional non-security preview updates. [...]

Patched in April, the underlying vulnerability allows local attackers to elevate their privileges to root.

The post PoC Released for DirtyDecrypt Linux Kernel Vulnerability appeared first on SecurityWeek.

More than 200 individuals were arrested for cybercrime activities during INTERPOL's Operation Ramz, which focused on the Middle East and North Africa. [...]

A new variant of the 'SHub' macOS infostealer uses AppleScript to show a fake security update message and installs a backdoor. [...]

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.

Many employees already use shadow AI tools at work without security review. Adaptive Security breaks down how teams can build practical AI governance without adding friction for employees. [...]

The Shai-Hulud malware leaked last week is now used in new attacks on the Node Package Manager (npm) index, as infected packages emerged over the weekend. [...]

Grafana Labs disclosed that hackers have downloaded its source code after breaching its GitHub environment using a stolen access token. [...]

Microsoft has confirmed that the May 2026 Windows 11 security update (KB5089549) fails to install on some systems and triggers 0x800f0922 errors. [...]

A recently patched local privilege escalation vulnerability in the Linux kernel's rxgk module now has a proof-of-concept exploit that allows attackers to gain root access on some Linux systems. [...]

The Pwn2Own Berlin 2026 hacking contest has concluded, with security researchers collecting $1,298,250 in rewards after exploiting 47 zero-day flaws. [...]

A cybersecurity researcher has released a proof-of-concept exploit for a Windows privilege escalation zero-day dubbed "MiniPlasma" that lets attackers gain SYSTEM privileges on fully patched Windows systems.  [...]

The Tycoon2FA phishing kit now supports device-code phishing attacks and abuses Trustifi click-tracking URLs to hijack Microsoft 365 accounts. [...]

A security researcher claims Microsoft quietly fixed an Azure Backup for AKS vulnerability after rejecting his report, and without issuing a CVE. Microsoft disputes the claim, telling BleepingComputer the behavior was expected and that "no product changes were made," despite the researcher documenting a silent fix. [...]

Businesses are advised against paying – but many are prepared to deal to protect users’ privacy

After a week of outages, hundreds of millions of students’ data stolen, delayed assignment due dates and school login pages being defaced by hackers, the US tech firm Instructure – which operates the education platform Canvas, used by education providers worldwide – announced it had “reached an agreement with the unauthorised actor” behind the ransomware attack.

Experts read the careful language as a sign that a ransom has been paid. The company has not confirmed this.

Continue reading...

© Photograph: Boonchai Wedmakawand/Getty Images

© Photograph: Boonchai Wedmakawand/Getty Images

© Photograph: Boonchai Wedmakawand/Getty Images

The Russian hacker group Secret Blizzard has developed its long-running Kazuar backdoor into a modular peer-to-peer (P2P) botnet designed for long-term persistence, stealth, and data collection. [...]