MI5 has apologized to the BBC and court over a neo-nazi spy story that Daniel De Simone had been investigating.

In one of the newly released files, an MI5 officer notes that Blunt said ... bringing with him details of moles inside British intelligence – including Philby himself. As a result of Philby's ...

Following targets on foot, public transport and sometimes into restaurants or hotels, MI5 watchers have provided a crucial role to British intelligence for decades. During the Cold War ...

He is considered one of the most successful double agents of the Cold War period in British intelligence history. The MI5: Official Secrets exhibition opens at The National Archives this spring.

In one of the newly released files, an MI5 officer notes that Blunt said ... bringing with him details of moles inside British intelligence – including Philby himself. As a result of Philby ...

The intelligence files provide insight into MI5’s concerns over Bogarde’s ... Separately, a KGB defector claimed that a young British actor had been targeted for recruitment in the Soviet ...

The intelligence files show that MI5 learned in 1970 that he had been ... Around the same time, a KGB defector told spooks that a young British actor had been targeted in a possible recruitment ...

Film star Dirk Bogarde was warned by MI5 that he could be the target of a gay “entrapment” attempt by the KGB, according to newly-declassified intelligence files. Documents released to the ...

British security chiefs are alarmed at Donald Trump’s choice for the most senior intelligence role in America and hope she is blocked, The Telegraph can reveal. Tulsi Gabbard is facing intense ...