North Korean hackers are deploying newly uncovered tools to move data between internet-connected and air-gapped systems, spread via removable drives, and conduct covert surveillance.

Microsoft reveals ClickFix campaign abusing Windows Terminal to deliver Lumma Stealer and steal browser credentials.

As enterprises increasing depend on cloud services, living off the land has evolved into living off the cloud.

IntroductionIn January 2026, Zscaler ThreatLabz observed activity by a suspected Iran-nexus threat actor targeting government officials in Iraq. ThreatLabz discovered previously undocumented malware ...

A campaign by Russian-speaking cyberattackers hijacks workflows to deliver security-busting malware, allowing attackers to steal data without detection.

Russian hackers target HR departments with BlackSanta malware Infection chain uses phishing emails and malicious ISO files BlackSanta disables EDR tools to enable deeper compromise Russian hackers ...

A compromised Chrome extension with 7,000 users was updated to deploy malware, strip security headers, and steal cryptocurrency wallet seed phrases.

A Chrome extension named "QuickLens - Search Screen with Google Lens" has been removed from the Chrome Web Store after it was ...

IntroductionIn December 2025, Zscaler ThreatLabz discovered a campaign linked to APT37 (also known as ScarCruft, Ruby Sleet, and Velvet Chollima), which is a DPRK-backed threat group. In this campaign ...

Attackers exploit FortiGate vulnerabilities to steal LDAP credentials and breach networks, enabling AD access and malware deployment.

An AI-assisted hacker campaign breached over 600 FortiGate firewalls worldwide by exploiting weak credentials and public interfaces in a chilling demonstration of how generative AI ...

A threat campaign against human resource (HR) departments has recently been launched. What seems like a decent resume actually is malicious software that kills security defenses, including antivirus ...