Introduction

“MI5 investigates threats to national security through the gathering of secret intelligence and by working closely with other organisations and government departments. We do this within a strict framework of legislation and oversight to ensure our investigative powers are only used where it is necessary and proportionate to do so.”

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Hilda Matheson image with rainbow background

This February MI5 is proud to be marking LGBT+ History Month. In keeping with this year’s 'art' theme,...

MI5, along with SIS and GCHQ, has published its Gender Pay Gap report for 2021.

Fact or Fiction

MI5 didn't 'officially' exist until 1992
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