Stakeknife was linked to at least 18 murders while working as an Army agent within the IRA in the 1980s.

An MI5 review into the failure of British secret services to disclose information to the team investigating agent Stakeknife ...

MI5 files were not deliberately withheld from an investigation into the IRA agent known as Stakeknife, a review has found.

The disgraced Duke of York, 65, was embroiled in yet another scandal when his former business adviser was sensationally ...

Undisclosed MI5 intelligence was not deliberately withheld from a £40 million (€46.6 million) investigation into the activities of the British army’s top spy in Northern Ireland during the Troubles, a ...

The NHS records of half a million British patients have been uploaded to the UK Biobank - and new figures show that one in ...

The intelligence agency’s exhibition at London’s National Archives delves into Britain’s history of spying and includes a 110 ...

Despite warnings that health data could be misused by Beijing, Chinese researchers will be granted access to half a million ...

Dominic Hampshire, a former advisor to Prince Andrew, allegedly ignored warnings from British security services and continued ...

From invisible ink in lemons to Cold War betrayals, MI5’s first public exhibition reveals spy stories and gadgets spanning ...

A desiccated 110-year-old lemon that played a key role in espionage history is one of the star attractions of a London ...

Prince Andrew's efforts to clarify security concerns over a Chinese 'spy' come amid ongoing scrutiny over his ties to ...