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

Threat actors are now abusing DNS queries as part of ClickFix social engineering attacks to deliver malware, making this the first known use of DNS as a channel in these campaigns.

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

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.

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

Cisco Talos tracks UAT-10027 targeting U.S. education and healthcare with Dohdoor DoH-based backdoor and Cobalt Strike ...

Trojanized gaming tools and new Windows RATs like Steaelite enable data theft, ransomware, and persistent remote control.

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

Chrome and Edge users warned about NexShield browser extension scam that causes crashes and tricks users into installing ...

The campaign exploits an Office vulnerability to deliver the modular XWorm RAT, chaining HTA, PowerShell, and in-memory .NET execution to sidestep detection and expand post-compromise control.