Anthropic's Mythos set off a cybersecurity 'hysteria.' Experts say the threat was already here

Dario Amodei, co-founder and chief executive officer of Anthropic, at the AI Impact Summit in New Delhi, India, on Thursday, Feb. 19, 2026. Prakash Singh | Bloomberg | Getty Images Global banks, tech giants and governments were sent scrambling last month to contain the risks posed by Mythos , the Anthropic model said to be so powerful that it has found thousands of previously unknown vulnerabilities in the world's software infrastructure. …