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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.

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 ...

The security researchers from Zscaler ThreatLabz have also discovered five new tools deployed by the North Korean hacking ...

A convincing lookalike of the popular Huorong Security antivirus has been used to deliver ValleyRAT, a sophisticated Remote Access Trojan (RAT) built on the Winos4.0 framework, to users who believed ...

Zero-day exploits, AI-driven Android malware, firmware backdoors, password manager trust gaps, rising DDoS define this week’s critical cyber threats.