Introduction to the Security Service

MI5's mission is to keep the country safe. For more than a century we have worked to protect the UK from a range of threats, whether it be from terrorism or hostile activity by states.

Latest News

View all news
King Charles III

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

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

Fact or Fiction

MI5 has a crèche for baby spooks
loader