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 ...
Is that CAPTCHA you just encountered real? Find out how fake CAPTCHAs are installing hidden malware and how to stay safe.