Claude Mythos breaks HAWK and nibbles AES-7: Anthropic publishes its report on autonomous crypto research
Anthropic ran Claude Mythos Preview as a semi-autonomous agent on cryptographic primitives: effective keysize of HAWK-256 dropped from 2^64 to 2^38, 7-round AES attack accelerated ×200 to ×800, LEA 13-round key recovery in less than an hour. Two real CVE (OpenSSL, wolfSSL) along the way. Cost: ~$100,000 API per subject.
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