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 ...
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 ...
Dark Reading

New Ransomware Variant Developed Entirely as Shellcode

Researchers have discovered a new ransomware variant that they say has significantly different behavior and characteristics than most other ransomware types. The ransomware, called PwndLocker, was ...
Threat Post

Attackers Use Event Logs to Hide Fileless Malware

A sophisticated campaign utilizes a novel anti-detection method. Researchers have discovered a malicious campaign utilizing a never-before-seen technique for quietly planting fileless malware on ...