Signed malware backed by a stolen EV certificate deployed legitimate RMM tools to gain persistent access inside enterprise ...
North Korea-linked ScarCruft’s Ruby Jumper uses Zoho WorkDrive C2 and USB malware to breach air-gapped systems for ...
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Zscaler ThreatLabz assessed with medium to high confidence that an Iranian adversary targeted Iraq’s Ministry of Foreign ...
A compromised Chrome extension with 7,000 users was updated to deploy malware, strip security headers, and steal cryptocurrency wallet seed phrases.
IntroductionIn January 2026, Zscaler ThreatLabz observed activity by a suspected Iran-nexus threat actor targeting government officials in Iraq. ThreatLabz discovered previously undocumented malware ...
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.
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 ...
There are moments in the evolution of a nation when a single incident, seemingly isolated, exposes a deeper and more troubling ...
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Suspected Nork digital intruders caught breaking into US healthcare, education orgs
Who is knocking at the Dohdoor? Digital intruders with possible links to North Korea have been infecting US education and healthcare sectors with a never-before-seen backdoor since at least December, ...
PowerShell can do far more than most users realize. Explore 10 hidden capabilities that save time, improve reporting, and supercharge your workflow.
Microsoft warns of a campaign on chat platforms where attackers slip malware to victims as supposed gaming tools.
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