IT Xianyu

Aug 18, 2026 · Information Security

Stealing Claude’s Chain‑of‑Thought in Two Simple Steps – My Live Test

A recent 116‑page paper reveals that Claude’s hidden chain‑of‑thought can be extracted with a two‑step attack costing about $720 for 10,000 traces, exposing model secrets, API keys, and prompting a rethink of AI security and data retention practices.