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German banks examine risks of Anthropic's Mythos with authorities

Published by Global Banking & Finance Review

Posted on April 16, 2026

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· Last updated: April 17, 2026

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German banks examine risks of Anthropic's Mythos with authorities
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By Tom Sims FRANKFURT, April 16 (Reuters) - German banks and national authorities are examining risks around Anthropic's new artificial intelligence model, an official said on Thursday, amid concerns

German Banks and Regulators Probe Anthropic's Mythos AI Model Cybersecurity Risks

By Tom Sims

German Authorities and Banking Sector Respond to Mythos AI Model

FRANKFURT, April 16 (Reuters) - German banks and national authorities are examining risks around Anthropic's new artificial intelligence model, an official said on Thursday, amid concerns that it could fuel cyberattacks.

Stakeholder Collaboration and Consultations

Kolja Gabriel, a member of the executive board at the German Banking Association, told Reuters that the group was consulting with cyber experts at its member banks as well as Germany's finance ministry and other authorities.

Cybersecurity Challenges for the Banking Sector

Anthropic's Mythos is seen by cybersecurity experts as ​posing significant challenges to the banking sector and its legacy technology systems, raising alarm bells among regulators in Britain and the United States.

Controlled Deployment and Monitoring Efforts

"Mythos is being used in a controlled manner by IT security firms to close potential vulnerabilities as quickly as possible. We expect a series of software updates shortly and are closely monitoring developments," Gabriel, who is responsible for technology and innovation, said in an emailed statement.

Involvement of Key Regulatory Bodies

The talks also involve the Bundesbank and Germany's financial watchdog BaFin.

The finance ministry declined to comment, while the central bank did not immediately respond to a request for comment.

BaFin said that there are regular exchanges with relevant national, European and international stakeholders.

Preparedness for Emerging Vulnerabilities

"Financial firms must be prepared for the possibility that vulnerabilities could be discovered in the near future, which would then need to be addressed promptly and quickly," BaFin said in a statement.

European Oversight and Industry Response

Reuters reported on Thursday that European Central Bank supervisors are set to quiz bankers about the risks of Mythos.

Anthropic's Response and Project Glasswing

Anthropic has said its current iteration, Claude Mythos Preview, will not be made generally available and has instead announced Project Glasswing.

Private Evaluation and Defensive Preparations

It invited major tech companies, cybersecurity vendors and JPMorgan Chase, along with several dozen other organizations, to privately evaluate this model and prepare defences accordingly. 

(Reporting by Tom Sims; Editing by Alexander Smith)

Key Takeaways

  • Anthropic’s Claude Mythos Preview can autonomously detect thousands of high‑severity vulnerabilities across major operating systems and browsers, prompting heightened concern in the financial sector. (anthropic.com)
  • Access to Mythos is restricted via 'Project Glasswing,' a defensive cybersecurity coalition involving major tech firms and banks, backed by Anthropic’s $100M in usage credits. (anthropic.com)
  • Central banks and regulators—from Germany's BSI and BaFin to the Bank of England and ECB—are coordinating to understand and mitigate risks, as Mythos could significantly challenge legacy banking systems. (disruptionbanking.com)

References

Frequently Asked Questions

Why are German banks concerned about Anthropic's Mythos AI model?
German banks are concerned because cybersecurity experts view Anthropic's Mythos as a significant challenge to banking sector technology, potentially increasing the risk of cyberattacks.
Which authorities are involved in assessing Mythos's risks?
The German Banking Association, Germany's finance ministry, the Bundesbank, BaFin, and other authorities are involved in this assessment.
How are banks responding to the potential risks of Mythos?
Banks are working with IT security firms to address vulnerabilities and expect a series of software updates to mitigate potential risks.
Is Anthropic’s Mythos AI model widely available?
The current version, Claude Mythos Preview, is not generally available. Anthropic is allowing select organizations to evaluate it privately.

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