The heads of the US and UK security services have issued a warning about the threat posed by the Chinese government. FBI Director Christopher Wray and MI5 Director General Ken McCallum were ...

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 ...

The first look inside MI5 (Picture: PA/@mi5official) MI5 have given the world a first glimpse inside its London headquarters with a first post on Instagram.. The secretive intelligence service ...

There are ‘no limits’ to the crimes MI5 can authorise its informants to commit, potentially including murder, kidnap and torture, the Court of Appeal has heard.

MI5 has apologized to the BBC and court over a neo-nazi spy story that Daniel De Simone had been investigating.

President Bush has suggested that the nation's intelligence agencies need to be restructured — and there have been suggestions that a new agency, modeled on Britain's MI5, may be the answer. NBC ...

Britain’s MI5 domestic intelligence agency plans to send out e-mail terrorism alerts to the public, pioneering an effort to use the Internet to warn of heightened risk.