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

The National Archives has released declassified MI5 files, including the confession of a civil servant who worked in the ...

Top secret MI5 files detailing first-hand accounts of confessions of three of Britain's most notorious double agents ...

The Cambridge Five consisted of Harold ‘Kim’ Philby, Guy Burgess, Donald Maclean, Anthony Blunt and John Cairncross, who ...

“The release reveals new details in the cases of the Cambridge spies Kim Philby, Anthony Blunt and John Cairncross, including their confessions,” the government agency said. The Soviets ...

who authored a biography of Cambridge Five spy John Cairncross, told NBC News. “To have informed Her Majesty or anyone else for that matter would have been potentially defamatory; it would also ...

Philby and Blunt were, along with Guy Burgess, Donald Maclean and John Cairncross, part of the "Ring of Five" - former Cambridge University students who passed information to the Soviets from the ...