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Anthropic will brief the Financial Stability Board on cybersecurity flaws its Claude Mythos model has uncovered across the global banking system. Bailey Pulls FSB Into Mythos Briefing The artificial intelligence company has agreed to walk G20 finance ministries and central bankers through cyber vuln

A new checkpoint of Anthropic's Claude Mythos Preview has become the first AI model to solve both UK government cyberattack simulations, raising fresh questions about autonomous hacking. AISI Reports Mythos Breakthrough The UK's AI Security Institute reported Wednesday that the newer Mythos checkpoi

Euro-area finance ministers met in Brussels on Monday to press Anthropic for access to its Mythos AI model, which finds zero-day flaws in every major operating system. Brussels Meeting On Mythos The meeting, confirmed by Bloomberg, brought together euro-area finance chiefs alongside banking supervis

OpenAI released GPT-5.5 on Wednesday, but fresh benchmark data shows Anthropic's gated Claude Mythos Preview still leads on six of nine directly comparable tests. GPT-5.5 Benchmark Scores GPT-5.5 arrived in ChatGPT and Codex on Apr. 23, priced at $5 per million input tokens and $30 for output, doubl

Ten years ago, a crypto exploit required a rare set of skills. You needed deep Solidity instincts, a working knowledge of bridge architecture and enough patience to trace months of on-chain activity. In 2026, a frontier language model can do the first two in an afternoon and a motivated attacker can