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.

MI5 lied "deliberately and repeatedly" as it tried to defend its handling of a neo-Nazi agent who abused women, the BBC has told a panel of High Court judges.

MI5 is using artificial intelligence to decipher whether those who watch violent videos pose a terrorist danger.. Spy chief Ken McCallum has revealed that MI5 has developed its own AI tools to ...

MI5 is facing fresh scrutiny in the case of a violent neo-Nazi agent after a High Court judge said he had "no confidence" in the Security Service's account of how a senior officer gave false ...

Britain's domestic spy agency MI5 issued an alert branding a woman a Chinese agent to possibly divert attention from a COVID lockdown party scandal involving former prime minister Boris Johnson ...

It’s just what every MI5 informant must want: a £200 gift voucher to a luxury spa. The intelligence agency has been accused of trying to entice a woman, identified only as "Faiza", to spy on a ...

MI5 is facing fresh scrutiny in the case of a violent neo-Nazi agent after a High Court judge said he had "no confidence" in the Security Service's account of how a senior officer gave false evidence.