The head of MI5 says Britain is facing a staggering rise in attempts at assassination, sabotage and other crimes backed by ...

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

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

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

Britain is facing a “staggering rise” in assassination attempts on its soil by Russia and Iran, as the hostile states recruit ...

Ken McCallum says Russian intelligence agencies are also on a ‘sustained mission to generate mayhem on British and European ...

Russian military intelligence is seeking to cause "mayhem" across Britain and Europe, the UK's domestic spy chief said on ...

Britain's domestic spy chief Ken McCallum warned of the dangers posed by Russia and Iran as well as growing concern about Al ...

The head of MI5 revealed during a briefing that Iranian intelligence services have been using UK criminals as proxies acting ...

Nation-state actors are investing aggressively in advanced cyber operations to target government information and technology ...

Director-general Ken McCallum was speaking at the Counter Terrorism Operations Centre in west London on Tuesday.