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 ...

The Surface Laptop for Business comes in two sizes: the 13.8-inch size reviewed here, and a larger 15-inch model. Since those are two separate laptops, I’ll focus on the 13.8-inch size in discussing ...