Microsoft uncovered a brazen AI-driven cloud breach by a Chinese state actor, who attempted to sign in to over 2,250 tenants at a staggering 2,900 attempts per minute - leaving defenders scrambling to keep up. The actor, tracked as Storm-0940, used a sophisticated AI-powered tool called ARTEX to automate and accelerate its attacks.
Chinese State Hackers Used AI Agent ‘ARTEX’ To Breach Over 2,250 Microsoft 365 Tenants In Hours, Microsoft Says