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

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 ...

In HM Attorney General for England and Wales v British Broadcasting Corporation [2025] EWHC 1669 (KB), the Divisional Court ...

Spies are quitting MI5 for private sector jobs with better pay, more career progression and improved work-life balance, ...

MI5 was still investigating a vulnerable teenage girl until her death even after terrorism charges were dropped, an inquest has heard. Rhianan Rudd, from Bolsover in Derbyshire, was the youngest ...

Retired judge John Saunders, who led the inquiry into the Manchester Arena attack, said that one MI5 officer admitted they considered intelligence about suicide bomber Salman Abedi to be a ...

MI5 officers could have had the chance to stop suicide bomber Salman Abedi at the Manchester Airport days before the massacre if they had discussed the information earlier, said John Saunders, a ...

MI5 missed chance to stop attack at Ariana Grande concert, inquiry finds Tributes in Manchester, England, on May 23, 2017, after a suicide bombing at an Ariana Grande concert in the northwestern city.

The threat means that MI5 is running seven times as many investigations into Chinese activity as it was four years ago, while the FBI is opening roughly two new counterintelligence investigations ...

LONDON—The head of the U.K.’s domestic intelligence service, MI5, said the agency is doubling the resources it devotes to tackling threats from Russia, China and Iran—and faces a growing ...

PA Images/Sipa USA The UK’s intelligence agency, MI5, has warned that the Taliban takeover of Afghanistan may have “emboldened” terrorists to carry out future 9/11-type attacks.

Rimington, the first female head of MI5, said the service has changed dramatically just in the past decade. "Since I left, it's really become primarily a counterterrorist service," she said.