IRAN poses a significant threat to Britain with Tehran’s spies targeting the UK as a priority, a new report has found. The ...

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

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 ...

Intelligence and Security Committee criticises ministers for not having an adequate strategy to deal with Tehran's ...

Ken McCallum, the director-general of MI5, says the UK is 'already operating at a high level of Iran-generated threat' Credit: MI5/PA Robert Mendick Chief Reporter, in Palo Alto, California ...

The High Court has ordered a "robust and independent" new investigation into how MI5 gave false evidence to multiple courts, ...

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

China trying to ‘disrupt’ UK’s new nuclear-powered attack submarines, warns MI5 chief Ken McCallum says scuppering Aukus project is a ‘high priority’ for authoritarian Beijing regime ...

The FBI director traveled to London this week to meet with Ken McCallum, director general of MI5, to highlight close coordination on everything from counterterrorism to cyber attacks, and Russian ...

Ken McCallum has been appointed the new director general of MI5, the security service has said. Mr McCallum led counter terrorism investigations during the London 2012 Olympic Games and MI5's ...

LONDON, March 30 (Reuters) - Britain on Monday named career spy Ken McCallum as the new head of its MI5 domestic intelligence agency. McCallum, whose appointment was announced by interior minister ...