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