The Latest Breaking News from MI5

Security minister Tom Tugendhat said the Foreign Influence Registration Scheme embraces ‘open and transparent engagement with foreign governments’.

Today MI5 is releasing a massive number of its historical files into the National Archives at Kew. Among them are papers telling for the first time the inside story of its investigation of John Vassall — the notorious KGB spy in the Admiralty until his arrest in 1962.

British intelligence viewed Flora Solomon as ‘inconsequential’ in 1951 but her evidence later ‘clinched’ case against Philby

Soviet Russia used John Vassall's sexuality to blackmail him into betraying Britain

Files on Russian intelligence officer and ‘lady-killer’ Eugene Ivanov littered with reports of drunkenness

Newly-released MI5 files give an insight into Ward’s state of mind, in a situation where some have claimed he was made a scapegoat.

The security service’s public site was down on Friday morning

No sensitive information was held on the website and no data was lost, it is understood

The website of Britain's MI5 domestic spy service was briefly hit by a denial of service attack on Friday, the BBC reported.

MI5, Royal Navy and RAF could be called upon to provide support for industry if situation escalates

WASHINGTON — After passing legislation that could pump almost $250 billion into cutting-edge scientific research and semiconductor manufacturing, lawmakers are turning their attention to protecting the fruits of that spending from theft by America’s rivals, particularly China.