Newly declassified files show the moment the notorious Cambridge double agent finally confessed to his treachery.

A closer look at recently declassified MI5 files on the intelligence failure surrounding the five "Cambrdige spies" ...

Newly-declassified files show the Queen was only told the full story a decade after the Cambridge don and royal courtier ...

Stewart Purvis leads guided walks of Hampstead showing tourists where the spies who leaked state secrets lived and met ...

Cambridge spy Kim Philby had no regrets about his treachery, his interrogators said after he was unmasked. The double agent’s confession has been published in full for the first time in newly ...

This includes the never-before-seen paper version of the first-hand account of Cambridge spy Kim Philby's confession. The National Archives said this was the first time in the intelligence agency ...

Papers released by MI5 show that although Blunt confessed to them he had spied for the Russians during World War Two, the ...

They shed new light on a spy ring linked to Cambridge University in the 1930s, whose members spilled secrets to the Soviet Union from the heart of the U.K. intelligence establishment. Blunt ...

They shed new light on a spy ring linked to Cambridge University in the 1930s, whose members spilled secrets to the Soviet Union from the heart of the U.K. intelligence establishment. Blunt ...

The secrets and betrayals poured out of the art historian as he revealed his secret schemes with the Cambridge spies to betray his country. However, he was never prosecuted, was later knighted ...