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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 ...

An OAuth feature is being abused in the wild to drop malware to people's computers.

China linked APT41 hackers deploy Silver Dragon campaign targeting organizations with malware and espionage tactics.

Zscaler ThreatLabz assessed with medium to high confidence that an Iranian adversary targeted Iraq’s Ministry of Foreign ...

While some of the campaigns have been found to leverage the technique to deliver malware, others send users to pages hosted on phishing frameworks such as EvilProxy, which act as an ...

Microsoft warns of a campaign on chat platforms where attackers slip malware to victims as supposed gaming tools.

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 ...

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

Crims hope for payday from malicious payloads rather than stealing access tokens Microsoft has warned organizations about ...