Microsoft disrupts Fox Tempest malware-signing-as-a-service platform tied to ransomware gangs

Microsoft disrupted Fox Tempest, a malware-signing-as-a-service platform tied to ransomware gangs, by unsealing a legal case in U.S. District Court. The platform has operated since May 2025 and provides cybercriminals with code signing tools. This disruption is a significant blow to ransomware gangs.