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 ...

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 ...

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 ...

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

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, ...

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

Protecting Queen Elizabeth’s funeral is set to cost more than $7.5 million — the most expensive single-day operation in UK history, a former royal security officer predicted. The British Mi5 ...

The covert war waged against Iran on British streets: How MI5 are battling threat from rogue state in UK... and why Tehran is asserting more of its influence abroad ...

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 ...