A China-linked advanced persistent threat actor tracked as UAT-9244 has been targeting telecommunication service providers in South America since 2024, compromising Windows, Linux, and network-edge ...
VOID#GEIST malware campaign delivers XWorm, AsyncRAT, and Xeno RAT using batch scripts, Python loaders, and explorer.exe ...
Signed malware backed by a stolen EV certificate deployed legitimate RMM tools to gain persistent access inside enterprise ...
Windows 11’s February 2026 Insider update is live, and it brings a fresh round of new features and changes for testers.
IntroductionIn January 2026, Zscaler ThreatLabz observed activity by a suspected Iran-nexus threat actor targeting government officials in Iraq. ThreatLabz discovered previously undocumented malware ...
China-linked UAT-9244 targets South American telecom networks with TernDoor, PeerTime, and BruteEntry malware on Windows, Linux, and edge devices.
Fake OpenClaw installers hosted in GitHub repositories and promoted by Microsoft Bing's AI-enhanced search feature instructed users to run commands that deployed information stealers and proxy malware ...
A China-linked cyberespionage group has been targeting telecommunications providers in South America since 2024 using a set ...
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 ...
Security researchers have uncovered a complex cyber operation targeting telecommunications infrastructure with newly identified malware tools. The campaign, active since 2024, focuses on telecom ...
Microsoft's Defender Security Research Team has identified a series of phishing campaigns in which an unknown attacker used digitally signed malware masked as common workplace applications to deploy ...
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