Microsoft and Japan dismantle cybercrime network responsible for over one billion scam messages

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<img alt="A smartphone sits on top of a surface with red tape reading “DANGER.” Where one strip intersects the phone, it continues inside the phone’s screen." src="https://platform.theverge.com/wp-content/uploads/sites/2/chorus/uploads/chorus_asset/file/23318439/akrales_220309_4977_0324.jpg?quality=90&amp;strip=all&amp;crop=0,0,100,100" /> <figcaption> </figcaption> </figure> <p class="wp-block-paragraph">Microsoft has announced that it assisted in dismantling a cybercrime network responsible for sending over one billion scam messages. This operation was conducted in collaboration with Japan's National Police Agency. The investigation traced the scam activities to a marketplace known as YAM Store and two phishing kits named CoGUI and Iron Man.</p> <blockquote class="wp-block-quote is-layout-flow wp-block-quote-is-layout-flow"> <p class="wp-block-paragraph">Since January 2026, YAM Store, CoGUI, and Iron Man have collectively enabled more than one billion malicious messages targeting over 75,000 organizations worldwide, including more than 750 million messages aimed at various recipients.</p></blockquote> <p>Source: The Verge. Published: 2026-10-14 20:03:43</p>