AI/LLM Security8 September 2026
Encrypted Reasoning Traces Can Be Stolen Across Anthropic, OpenAI, Google APIs
A new architectural flaw shows that the encrypted chain-of-thought blocks providers use to hide model reasoning are portable across sessions, users, and even sibling models — turning a privacy feature into a decryption oracle.
llm-securitychain-of-thoughtprompt-injection
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AI & LLM Security11 August 2026
How Researchers Cracked Encrypted Chain-of-Thought in Claude, GPT and Gemini
A new paper shows that the encrypted reasoning blocks Anthropic, OpenAI and Google return from their APIs can be replayed into a weaker sibling model and jailbroken into plaintext — defeating anti-distillation protections and, in the wild, exposing PII and credentials.
llm securitychain-of-thoughtai security research
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