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News and Speeches

Director General welcomes National Security Act

MI5 Director General Ken McCallum has welcomed the National Security Act receiving royal assent.

Ken McCallum delivering Bowman lecture

Maths and MI5: the calculations that keep the country safe

Our director general, Ken McCallum, delivered the annual Bowman lecture at The University of Glasgow earlier this month.

King Charles III

Coronation of King Charles III

Alongside the rest of the nation, we are delighted to celebrate the coronation.

MI5 publishes gender pay gap report for 2022

Today, MI5, MI6 and GCHQ have published their gender pay gap reports

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.


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Fact or Fiction

MI5 officers can arrest people