News

Filter by

Remove all filters

News for security service

Document release

Latest MI5 files released

 28 September 2016
Today we have made available to the public 137 previously top secret files from the UK Security Service, or MI5.

Tags: document release, espionage, file release, mi5, second world war, security service

Document release

Latest top secret MI5 files released

 21 August 2015
Today we have made available to the public 102 previously top secret files from the UK Security Service – sometimes known as MI5. The files reveal...

Tags: cold war, document release, file release, mi5, second world war, security service

Our latest tweets

Previous document releases

Read more about files we've released in previous years.