Cephalus has surfaced as a Go-built ransomware strain linked to victim activity as early as June 2025, with wider public reporting appearing in August. It focuses on Windows networks and follows a double-extortion playbook, stealing sensitive data before it locks files. Victims can face operational downtime and pressure when attackers leak small “proof” sets to […] The post Cephalus Ransomware Emerges as Go-Based Double-Extortion Threat Targeting Exposed RDP appeared first on Cyber Security News.