US says Chinese firms extracted billions of tokens from frontier AI models

U.S. cybersecurity and intelligence agencies say that six Chinese AI companies conducted industrial-scale distillation attacks on American frontier AI models since at least late 2024. A joint advisory from CISA, NSA, and the FBI states that DeepSeek, Moonshot AI, Alibaba, MiniMax, StepFun, and Z.AI extracted billions of tokens through millions of requests from frontier AI models from Anthropic, Op