Skip to content
City PM
  • Germany
  • France
  • Europe
  • Markets
  • Business
  • Opinion
  • DE
  • Germany
  • France
  • Europe
  • Markets
  • Business
  • Opinion
  • DE
Saturday 11 April 2026 10:20 am

 AI security officials test Anthropic cyber threat as Bank of England to convene chiefs

By: Mauricio Alencar

Politics and Economics Reporter

Add as a preferred source on Google
Bank of England building exterior with iconic architecture, highlighting economic influence and financial stability in the UK
Finance chiefs will discuss a new AI cyber threat by an Anthropic model.

AI minister Kanishka Narayan has said that Anthropic’s new cyber model was the most powerful seen yet as finance chiefs from the Bank of England and Treasury are set to meet next week to discuss the threats posed to the financial sector. 

Narayan revealed that Claude Mythos, a new model that was held back from release due to its danger in finding unknown bugs and potentially allowing cyber attacks to be organised, has been tested by officials at the AI Security Institute (AISI). 

He said that researchers at the state-backed body found it to be the “most capable model we’ve ever evaluated for cyber” and that it was the first model to complete its cyber-range in full, allowing it to go through systems and identify vulnerabilities. 

Narayan added: “We’ve taken action based on our findings.”

He later added that it completed a “cyber range” that simulated a “corporate network” rather than a wider range. 

Bank of England to lead meeting on AI model

The tool has added to fears across countries in the West that cyber systems are more vulnerable to attacks from AI models than ever before. 

Bank chiefs from the likes of Citigroup, Goldman Sachs and Morgan Stanley in the US were summoned by treasury secretary Scott Bessent earlier this week.

It has been reported that bosses at the Bank of England, Treasury, Financial Conduct Authority and the National Cyber Security Centre will attend a meeting next week to discuss Mythos. 

Read more

Trump to reject UK plea over Anthropic ban as AI ‘kill switch’ fears grow

Getty Images logo on a modern office building exterior, symbolizing global influence in media and stock photography industry

The Bank’s risk chief Duncan Mackinnon will chair the gathering of the Cross Market Operational Resilience Group, according to The Telegraph. 

Anthropic bosses gave AISI early access to stress-test the model as well as multiple key tech companies, including Google, Nvidia, Apple and Amazon. 

The AISI was founded under Rishi Sunak as part of an effort to boost AI research within the public sector. 

The Department for Science, Innovation and Technology was given a £2bn increase in funding by Chancellor Rachel Reeves in the years until 2030. 

The cash injection will fund research and encourage startups to build homegrown AI capabilities. 

Government officials also hope they can persuade Anthropic’s chiefs to announce an expansion in the UK after the company refused to allow its technology to be used for fully autonomous weapons or mass. 

The Trump administration attempted to designate the company a “supply chain risk” but a federal judge granted an injunction to prevent the ban on Anthropic. 

London mayor Sadiq Khan has written to Anthropic’s chief executive Dario Amodei asking him to consider a move to London.

Read more

‘Act now’: AI models capable of attacks on governments months away, Five Eyes warn

GettyImages 158774123 showcases a relevant business meeting scene, highlighting diverse professionals engaged in discussion.

Share this article

  • Facebook
  • X
  • LinkedIn
  • WhatsApp
  • Email

Similarly tagged content:

Sections

  • News

Categories

  • Business
  • Economics
  • Tech

People & Organisations

  • AI
  • Anthropic
  • Bank of England
  • Kanishka Narayan
  • Sadiq Khan
  • security

Trending Articles

  • Billionaire Easyjet founder in line for £800m payday from takeover

  • Pension pressure to help swell UK debt to three times size of economy

  • As it happened: FTSE 100 slump as oil soars; Trump says Iran will be ‘hit hard’ tonight

  • The former African gold miner taking on the billionaire Issa brothers

  • Construction sector cuts jobs again as house building slumps

More from City PM

  • Trump to reject UK plea over Anthropic ban as AI ‘kill switch’ fears grow

    Tech
    Getty Images logo on a modern office building exterior, symbolizing global influence in media and stock photography industry
  • ‘Act now’: AI models capable of attacks on governments months away, Five Eyes warn

    Tech
    GettyImages 158774123 showcases a relevant business meeting scene, highlighting diverse professionals engaged in discussion.
  • Trump ban on AI access to foreign users forces Anthropic to suspend models

    Tech
    Donald Trump has threatened to sue the BBC for $1bn
  • Gambit Cyber Launches Vizier AI – An Autonomous Security Intelligence Workspace for Continuous Exposure Management

    Business Wire
  • Andrew Bailey warns on AI: ‘Everybody is currently priced to be a winner’

    Tech
    Bank of England Governor Andrew Bailey said cited several indicators that the labour market was softening.
  • The Debate: Should CEOs be held personally accountable for cyberattacks?

    Opinion
    Evil-looking keyboard symbolizing cybersecurity threats and hacking risks in a digital landscape.
  • Yubico Joins European Cyber Security Organisation (ECSO)

    Business Wire
  • Bank of England to relax capital rules despite warning of economic threats

    Banking
    Bank of England building on Threadneedle Street, London, showcasing its historic architecture and financial significance

City PM — European politics, business and analysis.

Europe

  • Germany
  • France
  • Europe
  • UK & Ireland

Topics

  • Business
  • Markets
  • AI
  • Technology
  • Opinion
  • Energy

More

  • Politics
  • Economics
  • Fintech
  • Legal
  • Sport
  • Life

Company

  • About City PM
  • Editorial Policy
  • Corrections
  • Contact
  • Terms of Use
  • Privacy Policy
  • Cookie Policy
© 2026 City PM · Published by CityPM Media, Bahnhofstrasse 65, 8001 Zürich, Switzerland
About · Editorial Policy · Corrections · Contact · Privacy