Unit 42 details a Russian cyberespionage campaign targeting Zimbra webmail servers using JavaScript injection to steal credentials.

The post Russian Global Webmail Espionage appeared first on Unit 42.

Attackers can exploit LLM domain hallucinations through phantom squatting to target supply chains. Read the analysis to learn more.

The post Phantom Squatting: AI-Hallucinated Domains as a Software Supply Chain Vector appeared first on Unit 42.

Attackers are increasingly targeting collaboration platforms like Microsoft Teams. Learn the risks and key steps to strengthen your organization's security.

The post When “Hi, This Is IT” Comes Through Microsoft Teams appeared first on Unit 42.

The 2026 World Cup presents major cyber risks from ransomware groups, state-aligned actors, and other groups targeting critical infrastructure. Learn more here.

The post 2026 World Cup: Discussing The World’s Biggest Game’s Attack Surface appeared first on Unit 42.

Unit 42 identifies a recruitment phishing campaign targeting senior professionals via impersonation and fraudulent resume fees.

The post Threat Brief: Recruiting Scheme Impersonating Palo Alto Networks Talent Acquisition Team appeared first on Unit 42.

Unit 42 details recent Iranian cyberattack activity, sharing direct observations of phishing, hacktivist activity and cybercrime. We include recommendations for defenders.

The post Threat Brief: Escalation of Cyber Risk Related to Iran (Updated April 17) appeared first on Unit 42.

We discuss the extensive use of malicious QR codes using URL shorteners, in-app deep links and direct APK downloads to bypass mobile security.

The post Phishing on the Edge of the Web and Mobile Using QR Codes appeared first on Unit 42.

In 2025 a threat group compromised government and critical infrastructure in 37 countries, with reconnaissance in 155.

The post The Shadow Campaigns: Uncovering Global Espionage appeared first on Unit 42.

Why do successful phishing attacks target our psychology rather than just our software? Discover Unit 42’s latest insights on defeating social engineering and securing your digital life.

The post Why Smart People Fall For Phishing Attacks appeared first on Unit 42.

We discuss a novel AI-augmented attack method where malicious webpages use LLM services to generate dynamic code in real-time within a browser.

The post The Next Frontier of Runtime Assembly Attacks: Leveraging LLMs to Generate Phishing JavaScript in Real Time appeared first on Unit 42.

Unit 42 breaks down a payroll attack fueled by social engineering. Learn how the breach happened and how to protect your organization from similar threats.

The post Anatomy of an Attack: The Payroll Pirates and the Power of Social Engineering appeared first on Unit 42.

Self-replicating worm “Shai-Hulud” has compromised hundreds of software packages in a supply chain attack targeting the npm ecosystem. We discuss scope and more.

The post "Shai-Hulud" Worm Compromises npm Ecosystem in Supply Chain Attack (Updated November 26) appeared first on Unit 42.

The line between research tool and threat creation engine is thin. We examine the capabilities of WormGPT 4 and KawaiiGPT, two malicious LLMs.

The post The Dual-Use Dilemma of AI: Malicious LLMs appeared first on Unit 42.