Recently declassified MI5 files have shed light on one of the most infamous chapters ... another member of the Cambridge Spy Ring. Philby, who worked for MI6, betrayed critical British intelligence to ...

The files about royal art historian Anthony Blunt are among a trove from the intelligence agency MI5 released Tuesday ... for foreign intelligence agency MI6 despite falling under suspicion.

The guidance is contained in a booklet for recruits during World War Two, which will go on display at the National Archives in Kew, west London Rookie wartime MI5 "watchers" were advised they ...

Historian Christopher Andrew says in the official history of MI5 that the queen had previously ... continued to work for foreign intelligence agency MI6 despite falling under suspicion.

From reproductive rights to climate change to Big Tech, The Independent is on the ground when the story is developing. Whether it's investigating the financials of Elon Musk's pro-Trump PAC or ...

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 "follow that cab" when pursuing a suspect, newly declassified ...

The tranche of documents, which are not covered by Freedom of Information laws and released at MI5's discretion subject to redactions, also reveal Philby confessing to MI6 officer and friend ...

these were some of the tips given to rookie MI5 "watchers". Their job was to covertly tail and report on suspected enemy agents. The guidance is contained in a booklet that was issued to all new ...