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 ...

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 ...

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, ...

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 ...

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 ...

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

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 ...

Exclusive: How MI5 blackmails British Muslims 'Work for us or we will say you are a terrorist' ...

The home secretary says the government accepts the high court’s ruling that an independent investigation should take place.

Actor Dirk Bogarde was warned by MI5 that he could be the target of a gay “entrapment” sting by the KGB, newly-declassified files reveal today. The intelligence documents released to the ...

Declassified files reveal new details about notorious British spies — and how Queen Elizabeth II was kept in the dark ...