The newly-declassified documents include details about some of the UK's most notorious spies.
A World War II-era tailing guide is among declassified records shedding light on spy game in MI5: Official Secrets, at the ...
Despite advances in electronic surveillance, security service MI5 still relies on human ‘watchers’. Government documents ...
Rookie wartime MI5 "watchers" were advised they needed to be prepared to offer a big tip if they had to tell a taxi driver to ...
Top secret MI5 files detailing first-hand accounts of confessions of three of Britain's most notorious double agents ...
Avoid false beards, carry plenty of spare change and know what to do when you need to tell a taxi driver "follow that cab!" - ...
The guidance will feature in a new exhibition at the National Archives focusing on the work of the Security Service.
A newly declassified document is on display at the National Archives. It reveals the advice given to new MI5 recruits during ...
MI5 reveals confessions of three members of infamous Cambridge Five spy ring as tranche of documents released into National ...