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UK firms should take steps to limit risks from frontier AI models, UK says

Published by Global Banking & Finance Review

Posted on May 15, 2026

1 min read

· Last updated: May 15, 2026

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UK Finance Authorities Warn Firms to Mitigate Risks from Frontier AI Models

Authorities Urge Vigilance Over AI-Driven Cybersecurity Threats

Joint Statement from UK Finance Authorities

LONDON, May 15 (Reuters) - British companies should take steps to plan for and mitigate risks from new artificial intelligence models, the country's finance ministry, the Bank of England and the Financial Conduct Authority regulator said on Friday.

Escalating Capabilities of Frontier AI Models

"The cyber capabilities of current frontier AI models are already exceeding what a skilled practitioner could achieve, and at a significantly higher speed, greater scale, and lower cost," they said in a joint statement.

Amplified Threats to Financial Stability

"These capabilities, if used maliciously, amplify cyber threats to firms' safety and soundness, customers, market integrity, and financial stability."

Concerns Over Anthropic's Mythos Product

Last month BoE governor Andrew Bailey said he saw major cybersecurity risks from Anthropic's ​Mythos product.

Warnings from Cyber Experts

Mythos has drawn warnings from cyber experts about its potential to supercharge complex cyberattacks which could challenge the ​banking industry and its existing technology.

(Reporting by Muvija M; writing by Suban AbdullaEditing by William Schomberg)

Key Takeaways

  • Frontier AI models such as Anthropic’s Mythos can already outperform skilled cyber practitioners in speed, scale, and cost, creating amplified threats to firms’ safety, customers, market integrity, and financial stability (ncsc.gov.uk).
  • UK financial authorities are coordinating across Treasury, BoE, FCA, and NCSC to conduct scenario testing, controlled bank access, and board-level discussions to understand and mitigate cyber risks posed by frontier AI (wtlgovernance.com).
  • Regulators expect significant disruption. The BoE’s regulator cautions that rapid patching of vulnerabilities—now identified by AI—is the main cause of financial system outages, underlining the need for stronger cyber hygiene and AI‑driven defensive tools (uk.investing.com).

References

Frequently Asked Questions

What risks do UK authorities associate with frontier AI models?
UK authorities cite increased cyber threats, financial instability, and risks to market integrity from advanced AI models.
Which organizations released the joint statement about AI risks?
The statement came from the UK's finance ministry, Bank of England, and the Financial Conduct Authority.
What product did Bank of England's governor highlight as a cybersecurity risk?
Bank of England governor highlighted Anthropic's Mythos product as a major cybersecurity risk.
Why are frontier AI models considered a threat to banking?
Frontier AI models can enable malicious actors to carry out more complex, rapid, and large-scale cyberattacks, challenging banking technology.
What steps do UK authorities recommend for companies?
They recommend that companies proactively plan for and mitigate risks posed by new artificial intelligence models.

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