NYT
An Anthropic Claude AI Model Finds Flaws in Tough-to-Crack Encryption Algorithms
Tuesday, July 28, 2026
An Anthropic Claude AI model identified previously unknown attacks during testing against modified cryptographic algorithms used in online financial transactions and private communications. The model, referred to as Claude Mythos Preview, discovered the flaws in weakened versions of encryption systems. Anthropic did not release details about the specific algorithms tested or the nature of the attacks identified.
