LONDON -- Britain is facing a “staggering rise” in assassination attempts on U.K. soil by Russia and Iran, as the hostile ...

An assertion by the head of the UK's MI5 security service that Russia's GRU military intelligence agency is bent on causing ...

The head of Britain’s domestic security service said Russia’s military intelligence service was pursuing “dangerous actions ...

The risk presented by Islamic State terrorism and hostile states such as Iran and Russia has surged in the last year, the spy ...

Daniel Khalife, 23, is accused of spying and eliciting information useful to terrorists after he was arrested in 2021 ...

Britain’s leading role in NATO’s war against Russia in Ukraine and the military targeting of Iran ensured that McCallum’s ...

Russia's intelligence agency has been on a mission to generate "sustained mayhem on British and European streets", the head ...

In a speech delivered from the Counter Terrorism Operations Centre (CTOC) on Tuesday in London, MI5 Director General Ken ...

20 Iran-linked terror plots foiled since 2022, MI5 chief Ken McCallum says in keynote security speech ...

Ken McCallum said the number of state-threat investigations undertaken by MI5 has risen by 48 percent in the past year.

James Callis told UPI the Claude Whelan, the MI-5 director he portrays on "Slow Horses," means well, but is in over his head in the spy agency's top position.