Some thoughts about Anthropic’s new cryptanalysis results

147 · Matthew Green · July 29, 2026, 4:54 p.m.
academics AI Attacks artificial-intelligence cryptanalysis Machine Learning AI Research Cybersecurity
Summary
Matthew Green discusses Anthropic’s recent cryptanalysis results generated by its advanced model, Claude Mythos. He highlights the attacks on a signature scheme and AES while referencing Anthropic’s blog on their research process, inviting further discussion in the cryptography community.
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