External Publication
Visit Post

Microsoft Takes Down Malware-Signing Service Behind Ransomware Attacks

The Hacker News | #1 Trusted Source for Cybersecurity News [Uno… May 20, 2026
Source
Microsoft on Tuesday said it disrupted a malware-signing-as-a-service (MSaaS) operation that weaponized the company's Artifact Signing system to deliver malicious code and conduct ransomware and other attacks, compromising thousands of machines and networks across the world. The tech giant attributed the activity to a threat actor it calls Fox Tempest, which it said offered the MSaaS scheme

Discussion in the ATmosphere

Loading comments...