Microsoft disrupts Fox Tempest malware-signing-as-a-service platform tied to ransomware gangs
The company unsealed a legal case in U.S. District Court on Tuesday detailing the disruption of Fox Tempest — a popular service that has operated since May 2025 and provides cybercriminals with code signing tools.
Microsoft said it took down a critical service that helped cybercriminals slip through defenses by making malware look like legitimate software.
The company unsealed a legal case in U.S. District Court on Tuesday detailing the disruption of Fox Tempest — a popular service that has operated since May 2025 and provides cybercriminals with code signing tools.
The group abused Microsoft’s Artifact Signing, which is designed to verify that software is legitimate and hasn’t been tampered with.
Source: https://therecord.media/microsoft-disrupts-fox-tempest-malware-signing-service
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