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.”

Latest News

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MI5 Director General Ken McCallum gave his annual threat update at Thames House on 14 July 2021.

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The first elements of the new Counter Terrorism Operations Centre (CTOC) in London have been unveiled.

Fact or Fiction

MI5 and SIS do basically the same thing, but in different places
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