The British state has an evolved and sophisticated suite of powers and tools - but the shape of the threat has shifted ...

Howard Michael Phillips, 65, is standing trial at Winchester crown court for allegedly trying to pass information to Russia’s ...

MI5 warning MI5 claims that Chinese state actors have approached more than 20,000 Brits on LinkedIn, hoping to steal industrial or technological secrets. The head of MI5, Ken McCallum, said ...

You never used to hear about MI5 but now spooks is a word that's entered the vocabulary and people know what it means.

Spooks come out of shadows to issue AI warning at Silicon Valley summit The head of MI5 says the UK and its allies are experiencing a "sharp rise in aggressive attempts by other states to steal ...

A ruling by London's High Court cited the domestic intelligence agency's failure to explain why representatives had repeatedly misled U.K. courts about an informant accused of violence against women.

An MI5 agent “deliberately and repeatedly lied” after confirming to a journalist that a violent and misogynistic neo-Nazi was operating as an undercover source, a court has heard. The security ...

On the eve of her stepbrother's suicide, Ruth is visited by his partner Angela, an ex-MI5 officer famous for her operational accomplishments. Angela asks Ruth for help in procuring the evidence ...

Britain’s domestic intelligence agency missed a chance to prevent the suicide bombing that killed 22 people at a 2017 Ariana Grande concert in England.

The fifth season will premiere in September 2025, but already, the show has been renewed for its sixth and seventh. But what about beyond that? Read on for everything we know about a Slow Horses ...