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API security flaw highlights AI model vulnerabilities

Researchers uncover a way to make weaker AI models reveal the hidden reasoning of more powerful systems.

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A new paper by a team of researchers has revealed critical vulnerabilities in how major large language model (LLM) providers encrypt and manage hidden reasoning traces within their proprietary APIs.

The paper, titled “Stealing Reasoning Traces from Proprietary LLM APIs,” details how bad actors can access and steal proprietary “chain of thought” reasoning from Claude, ChatGPT, and Gemini models—the step-by-step problem-solving material (or reasoning traces) that parent companies Anthropic, OpenAI

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