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 ...

EXCLUSIVE: Experts believe that the threat of islamist extremists remains high, 20 years after the destruction of the 7/7 ...

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 ...

IPCO began its secret investigation into MI5's handling of the agent - a genuine neo-Nazi known publicly as X who informed on extremist networks – in 2022. It was prompted by a BBC story about how X ...

MI5 could still face contempt of court proceedings following revelations that the intelligence agency provided incorrect ...

Ken McCallum, MI5’s director general, said a third of the most threatening plots investigated by his spies involved links to the IS and Al Qaeda or others based overseas.

Government accepts court ruling on ‘serious failing’ by MI5 - It emerged this year that evidence given by the security agency ...

Head of MI5 Ken McCallum has been knighted in the New Year Honours. Sir Ken is made a Knight Commander of the Order of the Bath (KCB) for his more than 25 years of service to UK national security.

MI5 Director General Ken McCallum said his agents and police have […] LONDON (AP) — Britain is facing a “staggering rise” in attempts at assassination, ...

MI5 boss Ken McCallum said on Tuesday that extreme right-wing ideologies spread through online propaganda were responsible ...

MI5 boss Ken McCallum reveals 'staggering' three-fold rise in children investigated for terrorism with online memes drawing them into right-wing ideologies ...