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 ...

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

Apple TV+’s Slow Horses is a British spy drama built around the forgotten end of MI5, agents who’ve made mistakes serious ...

In the world of Slow Horses, spying isn't just about spycraft. It is also about politics, power play, and rank.

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

MI5 accepts that the status of a neo-Nazi agent should no longer be protected, after previously refusing to confirm if they were an informant A BBC investigation found MI5 had given false evidence ...

The High Court has ordered a "robust and independent" new investigation into how MI5 gave false evidence to multiple courts, after rejecting two official inquiries provided by the Security Service ...

MI5 has rejected claims it had a duty to support a teenage girl with mental health issues who died after being groomed by far-Right extremists. Rhianan Rudd, 16, took her own life at a children ...

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 ...

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.

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.

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 ...