The ‘Mythos moment’ has already passed. Now comes the hard part for cybersecurity

Summary

Anthropic introduced Claude Mythos Preview, which Anthropic said discovered software flaws no human had caught. The UK's AI Security Institute found it could autonomously execute a 32-step simulated corporate network attack, and Google's Threat Intelligence group reported reported vulnerabilities doubling from January to July 2026, with in-the-wild exploitation rising from about 10.5 to about 18 per month.

Related items

• InfoOpenAI nears up to $30 billion funding round at $1.25 trillion valuation led by UAE investors Same vendor · CNBC Technology
• InfoDonating Agent Skills to the Agentic AI FoundationSame vendor · Simon Willison's Weblog
• InfoOpenAI, Anthropic, and Nvidia had record lobbying quartersSame vendor · The Verge (AI)
• Info1Password lets AI agents use your passwords without seeing themSame vendor · The Verge (AI)
• InfoClaude did not invent scorpion antivenomSame vendor · The Verge (AI)