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News and Speeches

Threat level to Northern Ireland from Northern Ireland-related terrorism raised to SEVERE

MI5 has raised the threat level for Northern Ireland-related terrorism in Northern Ireland.

New body will help the UK combat national security threats

As part of the Integrated Review Refresh, the government has announced the creation of the National Protective Security Authority to help businesses and organisations defend themselves against national security threats.

Response to Manchester Arena Inquiry report

A statement from MI5 Director General Ken McCallum following the publication of the third volume of the Manchester Arena Inquiry's Report.

DG article in The Times - 17 November 2022

Director General Ken McCallum writes in The Times about nature of the threats facing the UK and the reasons to share these with the public.

MI5 Director General Ken McCallum

Director General Ken McCallum gives annual threat update

MI5 Director General Ken McCallum gave his annual threat update today, at our headquarters.


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Fact or Fiction

All MI5 officers are based in London