# Microsoft and Japan dismantle cybercrime network behind more than a billion scam messages

https://mins.news/en/item/100354

- The Verge, 2026-10-14 20:03 UTC
- Tech
- Original: https://www.theverge.com/tech/1011487/microsoft-scam-messages-marketplace-takedown

> Microsoft says an investigation with Japan’s National Police Agency helped dismantle YAM Store, a marketplace for scammers, and the CoGUI and Iron Man phishing kits. Since January 2026, they enabled more than one billion malicious messages targeting over 75,000 organizations worldwide. Microsoft disabled over 20,000 connected accounts and blocked more than 100,000 domains used for impersonation and fraud.

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