MY MI5SION | MI5 - The Security Service

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Can you crack our three secret missions?

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Who we are

MI5 officers are ordinary people carrying out extraordinary work in secret

What we do

MI5’s mission is to keep the UK safe from threats

Where we are

MI5 officers work across the UK and overseas to support our mission

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Latest News

An exhibition co-curated by The National Archives and MI5 has been shortlisted in the Museums + Heritage Awards.

Director General Sir Ken McCallum made a statement concerning the Investigatory Powers Tribunal case of Beth v the Security Service.

Director General Sir Ken McCallum made the following statement in response to the publication of the final Kenova report.