An official report warned that Iran was targeting dissidents and gathering intelligence on Jewish and Israeli targets in ...

The Intelligence and Security Committee of the UK Parliament highlights the multifaceted threats posed by Iran, from physical ...

Iran poses a significant and wide-ranging threat to Britain and, while not in the same league as Russia or China, it is one that is rising and for which the UK government is not fully prepared, ...

British MI5 Director General Ken McCallum delivered a sober annual threat assessment in London Wednesday, underscoring a broad variety of national security threats from Russia, China, Iran and ...

The director of the British MI5, Ken McCallum, has warned that Russia is encouraging "sustained violence on the streets of Europe" and instigating "arson, sabotage, and dangerous actions in the UK ...

At the heart of the case is the violent abuse of a woman by a state agent under MI5's control. After the BBC began ...

Russian spies are targeting Britain with Cold War-style sabotage, the director general of MI5 has warned. Writing exclusively for The Telegraph, Ken McCallum said Vladimir Putin’s intelligence ...

Senior judges held out the prospect of holding MI5 officers in contempt as they ordered an independent investigation into how ...

ISIS and al Qaeda present a “resurgent” threat to the United Kingdom, the head of the country’s domestic security service warned in a rare public intervention on Tuesday, as he outlined a ...

Historian Christopher Andrew says in the official history of MI5 that the queen had previously been told about Blunt in "general terms." Queen Elizabeth II died in 2022 at the age of 96.

MI5 feared film star Dirk Bogarde could be the target of a KGB gay "entrapment" attempt after it emerged he was on a list of 'six practising British homosexuals' passed to the Russians ...

MI5 could not find any evidence that Bogarde had been to Russia but they were so concerned that they sent an officer, FM Merifield, to interview him at the British consulate in Nice.