Katherine Haan, MBA, is a Senior Staff Writer for Forbes Advisor and a former financial advisor turned international bestselling author and business coach. For more than a decade, she’s helped small ...

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 ...