For years, the cybersecurity industry has coasted on the perception that zero-day vulnerabilities (bugs in software that the developers were not yet aware of) were not easy to find… but on April 6th, 2026, this perception shifted completely as Anthropic’s Claude Mythos AI model proved it very, very wrong.
Today’s threats are no longer the bugs we know about. They’re the thousands of previously unknown vulnerabilities that AI can identify (and weaponize) in mere moments.
