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EU should seek access to Anthropic's Mythos, Bundesbank says

Published by Global Banking & Finance Review

Posted on April 29, 2026

3 min read

· Last updated: April 29, 2026

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EU should seek access to Anthropic's Mythos, Bundesbank says

Bundesbank Urges EU to Secure Anthropic's Mythos AI Access for Bank Cybersecurity

European Banks Face Cybersecurity Challenges Amid Restricted Access to Mythos AI

By Reinhard Becker

Anthropic's Mythos AI and Its Impact on Banking Cybersecurity

BERLIN, April 29 (Reuters) - European banks need to be given access to Anthropic's latest artificial intelligence model, Mythos, if they are to shield themselves against the threat of cyberattacks powered by this new breed of programmes, one of Germany's top financial regulators told Reuters.

Mythos, a model designed to find flaws in computer code, is viewed by cybersecurity experts as potentially turbo-charging attacks on banks' technology systems but so far it has only been made available to some U.S. banks.

Bundesbank's Call for EU Intervention

The chief supervisor at Germany's Bundesbank, Michael Theurer, urged European Union authorities to request access to Mythos from Anthropic or from Donald Trump's U.S. administration. 

"I consider it necessary that the European Commission and governments in Europe now also approach the company — or rather the United States — to request that the technology be shared," he told Reuters in an interview. "There has to be an official request so that we in Europe can also benefit from the insights."

Potential for Wider Access in Europe

Sources recently told Reuters Anthropic plans to provide access to its Mythos AI model to European banks soon.

Regulatory and Industry Response to Mythos AI

Concerns Raised by Mythos' Limited Release

Mythos' release to a selected group of companies, initially including just one bank, earlier this month raised alarm among regulators and policymakers across the world.

European Banks' Preparedness and Ongoing Assessments

German banks and national authorities have been jointly examining risks around these models and European Central Bank supervisors, who are responsible for the euro zone's biggest lenders, have been quizzing bankers about their preparedness.

Theurer said his meetings with banks so far showed they were acutely aware of the possible threat from the new model but they could not "test which vulnerabilities it is capable of identifying" without getting access to it.

Risks of Technological Dependence

"We may be moving into an area in which economic actors could potentially become dependent on state assistance," Theurer said. "If you do not have access to this technology yourself, you naturally find yourself in very difficult waters."

Regulators' Capacity to Address AI Risks

Regulators' own ability to monitor and combat the risks posed by Mythos and similar models has been called into question, with a survey finding authorities significantly lag financial firms in AI adoption and lack data on emerging harms.

(Writing by Francesco Canepa in Frankfurt; Editing by Toby Chopra)

Key Takeaways

  • Mythos, a powerful AI tool capable of autonomously finding and exploiting software vulnerabilities, is viewed as a significant cyber risk if misused (livescience.com).
  • While access has been limited to a few U.S. firms under Project Glasswing, Anthropic plans to extend access to European banks soon, amid growing regulatory scrutiny under the EU AI Act and Cyber Resilience regimes (roic.ai).
  • European authorities—including the ECB and Bundesbank—are demanding contingency and risk frameworks, but lack access to Mythos hampers their ability to evaluate threats and support defenses‑leading Bundesbank’s Michael Theurer to call for an official request to the U.S. for access (elpais.com)

References

Frequently Asked Questions

Why does the Bundesbank want EU access to Anthropic's Mythos AI?
The Bundesbank believes European banks need access to Mythos to understand and defend against AI-powered cyberattacks.
Who currently has access to Anthropic's Mythos AI model?
Currently, only some U.S. banks and a selected group of companies have access to Anthropic's Mythos AI model.
What concerns do EU regulators have about Mythos?
EU regulators fear that without access to Mythos, banks lack the ability to test vulnerabilities, increasing cyber risks.
Is Anthropic planning to offer Mythos access to European banks?
Sources say Anthropic plans to provide access to Mythos for European banks soon.
How prepared are European banks for AI-driven threats?
Meetings with banks show they are aware of the threat, but lack necessary access to test and prepare for Mythos-powered attacks.

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