SecurityWeek

North Korean APT Targets Air-Gapped Systems in Recent Campaign

North Korean hacking group APT37 was seen deploying new implants, backdoors, and other tools in attacks targeting air-gapped ...

APT37 hackers use new malware to breach air-gapped networks

North Korean hackers are deploying newly uncovered tools to move data between internet-connected and air-gapped systems, ...
Security Boulevard

APT37 Adds New Capabilities for Air-Gapped Networks

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 ...