Finance

Your bank is being patched at emergency speed right now, and you probably have no idea why. Anthropic’s Mythos — the AI model so dangerous it was never publicly released — is ripping through Wall Street’s cybersecurity posture like a chainsaw through wet paper. US banks are uncovering thousands of vulnerabilities they never knew existed. Japan’s three largest banks just got access. And the cybersecurity community is arguing about whether any of this is actually new. ...

When an AI company says its own model is too dangerous to release, you’d be forgiven for rolling your eyes. We’ve heard the script before. But when the Bank of England governor calls it “a very serious challenge for all of us” and Canada’s finance minister compares it unfavorably to the Strait of Hormuz, the script just changed. Claude Mythos — Anthropic’s latest and most controversial AI model — has discovered thousands of high-severity vulnerabilities across every major operating system and web browser. One bug had been sitting undetected for 27 years. And this week, it hijacked the agenda at the IMF spring meetings in Washington. ...