All timelines
PoliticsUnited Kingdom

MI5 chief Sir Ken McCallum warns AI could give terrorists access to bioweapons if guardrails fail

8 articles from 4 sources
First reported on Tuesday 13 October 2026 at 08:00 EDT by i News·Latest article on Tuesday 13 October 2026 at 08:42 EDT

Summary

MI5 Director General Sir Ken McCallum gave the annual speech on threats to the UK at Thames House on Tuesday 13 October, warning that AI could give terrorists access to bioweapons if guardrails fail, the Evening Standard, The Independent and The Scotsman reported. AI is 'already supercharging' security threats to the UK, according to The Scotsman, and terrorists could use AI to target the UK with drones and bioweapons, The Independent reported, while i News said terrorists could gain the ability to create bioweapons. The UK is entering a 'new era of national security' with the most threats since the Cold War, Sir Ken McCallum said, warning against rising threats from Russia and Iran and saying the suspected attack against RAF Fairford was 'not unique in the UK', according to The Independent. Sir Ken McCallum also warned that the agency's state threats caseload has quadrupled in the past 10 years, the Evening Standard reported.

Latest: In the annual threat speech, MI5 Director General Sir Ken McCallum warned that AI could give terrorists access to bioweapons if guardrails fail and that the UK is entering a 'new era of national security', with rising threats from Russia and Iran.

Written automatically by an AI from the articles' headlines and descriptions. It can contain errors: follow the links to read the articles.

How it unfolded

  1. Tuesday 13 October

    In the annual threat speech, MI5 Director General Sir Ken McCallum warned that AI could give terrorists access to bioweapons if guardrails fail and that the UK is entering a 'new era of national security', with rising threats from Russia and Iran.