Just announced: CoGUI has been disrupted. Proofpoint supported @microsoft.com in the major takedown of Chinese-speaking cybercrime threat actors and CoGUI, the infrastructure supporting their activities. More details: www.proofpoint.com/us/blog/thre...
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The disruption will impact the Chinese #phishing and #financialfraud ecosystem. Today, we block over 100 million email messages per month using CoGUI. Microsoft has found that this kit type has enabled more than 1 billion malicious messages worldwide since January 2026.
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