Microsoft disrupts Yam Store PhaaS network (Storm-3119/Storm-2990) behind over one billion phishing messages since January 2026
Microsoft, working with industry partners and Japanese police, disrupted a Chinese-language phishing-as-a-service (PhaaS) ecosystem centered on Yam Store, an underground marketplace tracked as Storm-3119. The phishing kits sold there were responsible for over a billion phishing emails and texts sent to more than 75,000 organizations since…