Alex Stamos is the chief security officer for the AI coding startup Cognition. Stephen McCarthy/Sportsfile via Getty Images

It's plain nuts to hand over a personal AI agent the keys to your financial life, according to Meta's former security chief.

Alex Stamos, now the chief security officer for the AI coding startup Cognition , called it "totally insane" that people are giving AI agent apps access to highly sensitive personal data.

On a recent episode of the Big Technology Podcast, Stamos said people are giving agents like Meta's Muse and Spear Street Technology's Instinct their entire 1Password vaults, then asking them to "go handle my finances for me" or "go file my taxes."

This dynamic, said Stamos, has created a dilemma for banks that are now grappling with a growing wave of customer-authorized bot activity.

"So that's what the banks are talking about is that they now see all of these interactions with them that are authenticated correctly — so they're not stolen credentials — but are clearly bots…