Microsoft, Japan Cybercrime Takedown Hits 1B Scams [2026]

Microsoft and the Health Information Sharing and Analysis Center (Health-ISAC) announced on October 14, 2026, that they disrupted a cybercrime network responsible for more than 1 billion malicious messages sent since January 2026, according to Microsoft’s own announcement. The takedown targeted three criminal services, YAM Store, CoGUI, and Iron Man, that together ran what researchers describe as a phishing-as-a-service supply chain feeding fraud campaigns to criminal groups around the world.