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Anthropic model scare sparks urgent Bessent, Powell warning to bank CEOs

April 10, 2026

By Todd Gillespie, Katanga Johnson, Hannah Levitt and Sridhar Natarajan | Bloomberg

Treasury Secretary Scott Bessent and Federal Reserve Chair Jerome Powell summoned Wall Street leaders to an urgent meeting on concerns that the latest artificial intelligence model from Anthropic PBC will usher in an era of greater cyber risk.

Bessent and Powell assembled the group at Treasury’s headquarters in Washington on Tuesday to make sure banks are aware of possible future risks raised by Anthropic’s Mythos and potential similar models, and are taking precautions to defend their systems, according to people familiar with the matter who asked not to be identified citing the private discussions.

Many of the executives were in town already for a meeting of the Financial Services Forum, an advocacy group made up of the biggest lenders. A representative for the Treasury didn’t immediately respond to a request for comment. A spokesperson for the Fed declined to comment.

The previously unreported meeting, arranged on short notice, is another sign that regulators consider the possibility of a new breed of cyberattacks as one of the biggest risks facing the financial industry. All the banks summoned to the meeting are classified as systemically important by top regulators, meaning their stability is a priority for the global financial system.

Powell’s participation in the meeting signaled that the concern was one of systemic risk, and not tied to the Trump administration’s previous clashes with Anthropic, said some of the people. The Fed, with its network of examiners, is also deeply familiar with banking operations.

“We’re taking every step we can to make sure that everybody is safe from these potential risks, including Anthropic agreeing to hold back the public release of the model until our officials have figured everything out,” National Economic Council Director Kevin Hassett said on Fox News Friday in response to a question about the Fed and Treasury’s meeting. “There’s definitely a sense of urgency.”

Other regulators are also taking action. The Bank of Canada and the country’s major banks and financial firms met Friday to discuss cybersecurity risks raised by Mythos, Bloomberg reported Friday. The Bank of England will meet with top bank and insurance executives to discuss how they’re preparing, according to a report from the Telegraph.

Anthropic’s Mythos is a more powerful system that the AI firm has said is capable of identifying and then exploiting vulnerabilities in every major operating system and web browser when directed by a user to do so.

Regulators’ caution about the power of the model in hackers’ hands echoes Anthropic’s own prudence. Anthropic has limited the release of it to just a few major technology and finance firms at first. Those companies, which include Amazon.com Inc. and Apple Inc. as well as JPMorgan Chase & Co., are part of “Project Glasswing,” which will work to secure the most important systems before other similar AI models become available.

In releasing Mythos to a very limited set of companies, Anthropic pointed to several vulnerabilities that the AI system was capable of both identifying and potentially exploiting during testing. None of the examples related specifically to financial institutions, but in one instance, the firm’s security team said it was able to compromise a web browser so that a website set up by a hacker could read data from another website “e.g., the victim’s bank.”

Orange County Register

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Anthropic model scare sparks urgent Bessent, Powell warning to bank CEOs

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