She was credited as the inspiration for Judi Dench’s M in James Bond films and was the first publicly named chief of Britain’s domestic intelligence service.

Iran’s Islamic Revolutionary Guards Corps (IRGC) should be banned as a terrorist organisation, nearly three quarters of ...

The former head of the British Intelligence service and author Stella Rimington was the first female (and publicly-named) MI5 ...

Declassified records describe Hans Wilsdorf as “most objectionable” and allege he may have used his position to spread ...

MI5 Director General Ken McCallum said his agents and police have tackled 20 “potentially lethal” plots backed by Iran since 2022 and warned that it could expand its targets in the U.K. if ...

Witness B - MI5's third-in-command - said the internal investigation established that Officer 2 had "updated colleagues within MI5" about the conversations with me, but that "there was no evidence ...

Dame Stella Rimington, MI5's first female chief, passed away at 90. Her memoir, "Open Secret," offers insights into espionage ...

Rolex said it was well aware of the file in the National Archives and had constituted a team of historians for further research.

MI5 and the National Cyber Security Center are anticipating more cyberattacks targeting the "West's cyber defenses," in the future, especially from Russian state actors, McCallum said. He also said ...

The head of MI5 has issued an unprecedented warning that terrorists are seeking to recruit children over the summer holidays after record arrests of teenagers.

From I-35 to MI5: A Texan’s Journey Into Espionage Ava Glass turned her time writing counterterrorism communiqués into a series of hyperrealistic spy novels. Her latest, The Trap, is out this week.

When MI5 begins to get involved in Ireland in the early 1970s — at that point they knew less about Belfast than they did about Nairobi — well, I haven’t come across a single file that ...