A single unchecked toggle on a content management system. That's all it took to expose 3,000 classified files from one of the most powerful AI companies on Earth in April 2026. The model inside those files can crack the most secure operating system in the world for less than the cost of a takeout dinner. And Anthropic — the company that built it — couldn't keep their own secret for more than a few weeks. The assumption was that frontier AI would remain commercial software, eventually democratized and open to all. What the Capybara leak revealed is that assumption was already dead before anyone outside a 12-company coalition knew it existed. If a $380 billion safety-first lab accidentally handed the world a blueprint for the most capable offensive cyber tool ever documented, the old rules of digital security no longer apply. — Why did a model scor ...