Mythos Threats Wild Short Term But Long Term Upside

Anthropic's Mythos discovered thousands of high-severity vulnerabilities in major operating systems and browsers. The U.S. introduced export controls on Mythos and Fable 5. HuggingFace was breached by an autonomous agent using GPT-5.6 Sol. Defenders can use AI tools like Opus to patch vulnerabilities faster, as Microsoft released a record 570 security patches in July.