MI5 has raised the threat level for Northern Ireland-related terrorism in Northern Ireland.
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.
A statement from MI5 Director General Ken McCallum following the publication of the third volume of the Manchester Arena Inquiry's Report.
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 gave his annual threat update today, at our headquarters.