ICYMI over the long weekend: Researchers with early access to Anthropic’s Mythos and OpenAI’s GPT-5.5 say these models’ hacking abilities are “more” than expected — and warned that defenders are running out of time to secure networks. With my colleague Aaron Mak: www.politico.com/news/2026/05...
Researchers who have tested Anthropic’s Mythos and OpenAI’s GPT-5.5 say their hacking capabilities are a “game-changer.”