Severity: ElevatedAction: Be aware

Microsoft Disrupts Chinese-Language Phishing Market Behind 1B+ Messages

Backed by a federal court order, Microsoft and Health-ISAC seized domains powering YAM Store, CoGUI, and Iron Man.

Excerpt from the primary source: SecurityWeek

Who is affected

Home users

What you should do · Be aware

No immediate action is required, but be alert to related scams or suspicious messages.

Automated guidance based on this story's classification. Check the linked advisories for specifics.

Sources

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Original reporting

Microsoft Disrupts Chinese-Language Phishing Market Behind 1B+ Messages SecurityWeek · securityweek.com · Oct 14, 2026 · Primary source
Severity: ElevatedAction: Be aware

Microsoft takes down 3 major phishing platforms used by Chinese cybercriminals

The tech giant worked with Japan’s National Police Agency and healthcare cybersecurity organization Health-ISAC to obtain a U.S. court order seizing and redirecting domains that were part of the infrastructure underlying YAM Store, CoGUI and Iron Man.

Severity: ElevatedAction: Be aware

Global takedown hits network behind 1 billion phishing messages

A massive cybercriminal ecosystem facilitating more than a billion malicious messages targeting over 75,000 organizations across 150 countries has been disrupted by law enforcement agencies and partners worldwide.

Severity: ElevatedAction: Be aware

The hidden network: Inside the phishing infrastructure ecosystem powering global cybercrime

Microsoft uncovered a Chinese-language cybercriminal ecosystem, an interconnected network of phishing kit operators (tracked as Storm-2990), and an illicit marketplace (tracked as Storm-3119) selling tools and infrastructure for large-scale phishing. In collaboration with law enforcement agencies and other partners worldwide, Microsoft’s Digital Crimes Unit (DCU) facilitated a disruption of the ecosystem.

Microsoft Disrupts Chinese-Language Phishing Market Behind 1B+ Messages | CybersecurityNews.us