North Korean hacking group APT37 was seen deploying new implants, backdoors, and other tools in attacks targeting air-gapped ...

SloppyLemming targeted Pakistan and Bangladesh with BurrowShell, a Rust keylogger, and 112 Cloudflare Workers domains in 2025 ...

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 ...

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.

North Korea-linked ScarCruft’s Ruby Jumper uses Zoho WorkDrive C2 and USB malware to breach air-gapped systems for ...

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 ...

A fake CAPTCHA scam is tricking Windows users into running PowerShell commands that install StealC malware and steal passwords, crypto wallets, and more.

Microsoft has split Windows 11 into two parallel development tracks, creating separate paths for Arm and x86 architectures in an unprecedented move. PCWorld reports that devices running Windows 11 ...

Microsoft has announced Windows 11 26H1, but it's not for existing PCs. Instead, it will ship on devices with Snapdragon X2 processors and possibly other rumored ARM chips. Microsoft insists Windows ...

Since its release in the fall of 2021, Microsoft’s Windows 11 has received an “annual feature update” in the second half of every year. These feature updates sometimes include new Windows features and ...

Microsoft released Windows 11 26H1 update (KB5077179) exclusively for new PCs featuring Snapdragon X2 chips, not existing devices. PCWorld reports this specialized update focuses on performance and AI ...

Microsoft has announced that the original Secure Boot certificates that were issued when the feature first began shipping 2011 are set to expire this June, and that PCs which are not up to date will ...