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infosecurity-magazine.com · medium

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…

thehackernews.com · critical

Compromised ConnectWise Cloud Backup (SkyKick) OAuth app credential used to access 173+ Microsoft 365 tenants

An active supply chain attack is abusing a compromised credential for the ConnectWise Cloud Backup (formerly SkyKick) Microsoft 365 OAuth application, giving unknown actors access to customer tenants. Huntress confirmed unauthorized sign-ins in 173 partner/customer tenants, and Microsoft reports broad successful service principal authenti…