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Achin Bansal
Achin Bansal

Posted on Originally published at gridthegrey.com

Anthropic Exposes 200M-Exchange Model Distillation Attacks

Forensic Summary

Anthropic has published a detailed report attributing nearly 200 million adversarial API exchanges to coordinated model distillation campaigns conducted by Alibaba, Moonshot AI, and DeepSeek. Attackers used prompt obfuscation techniques — including fake translation requests — to bypass Claude's summarised-thinking safeguards and extract raw chain-of-thought traces for use as supervised fine-tuning data. One Moonshot AI campaign was assessed as routing requests directly through Chinese military infrastructure, adding a significant geopolitical dimension to what is otherwise an IP-theft threat.


Read the full technical deep-dive on Grid the Grey: https://gridthegrey.com/posts/anthropic-exposes-200m-exchange-model-distillation-attacks/

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