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OpenAI's newest model GPT-5.5 can autonomously chain a 32-step corporate network breach and crack a 12-hour reverse-engineering puzzle in roughly 10 minutes. AISI Cyber Evaluation Results The U.K. AI Security Institute, a research body within Britain's Department of Science, Innovation and Technolog

Coinbase warns Anthropic's new Claude Mythos AI could rattle crypto markets, yet 75% of institutional investors still call Bitcoin (BTC) undervalued. Coinbase Q2 Outlook On Mythos The exchange's second-quarter outlook, prepared with on-chain data firm Classnode, says the model can autonomously explo

Anthropic's new Mythos AI model is forcing DeFi teams to look past smart contracts and confront deeper risks in keys, bridges and oracles. Mythos Hits Crypto Infrastructure For years, decentralized finance has built its defenses around audited code. Mythos, designed to chain together weaknesses acro

A small group of unauthorized users has tapped Anthropic's restricted Claude Mythos for roughly two weeks, accessing it through a third-party vendor environment. Mythos Vendor Breach Bloomberg first reported the breach on Apr. 21, citing a source inside a private Discord channel that tracks unreleas

The U.S. National Security Agency is using Anthropic's new Claude Mythos Preview model for cybersecurity work, even as the Pentagon keeps the company on a supply-chain risk list. Mythos Rollout Two sources told Axios the NSA has access to Mythos Preview, Anthropic's most capable model yet. One added