The home secretary says the government accepts the high court’s ruling that an independent investigation should take place.

A ruling by London's High Court cited the domestic intelligence agency's failure to explain why representatives had ...

MI5's entire operational plan involved a sustained attempt to persuade me to stop doing a story by disclosing that X was an agent. Second, the report said "it was not MI5 policy to record all such ...

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

The home secretary has said MI5 giving false evidence to multiple courts was a "serious failing", as she accepted a further investigation should take place. Yvette Cooper, who is responsible for ...

MI5 could still face contempt of court proceedings over incorrect evidence provided in a bid for an injunction against the BBC pending the outcome of an investigation, judges at the High Court have ...

Britain on Sunday named Blaise Metreweli, a career intelligence officer, as the first female head of the Secret Intelligence Service, the foreign spy service known as MI6.

MI5 apologised for providing 'incorrect information' to the High Court while handling a misogynistic neo-Nazi agent who allegedly attacked his girlfriend with a machete.

Read our privacy notice. Police chiefs and MI5 have called for the Government to give them enough funding amid pressures from the latest plans to release prisoners early.

The MI5 officer looking into the Mitrokhin lead then discovered another problem – Norwood was still alive and living in a semi-detached home in London’s suburbs.

A victim of abuse at Kincora Boys' Home has received an undisclosed settlement after claims a paedophile housemaster was protected from being prosecuted due to being an MI5 agent. Gary Hoy, 63, sought ...