Unprecedented probe was led by MI5, UK's domestic security agency, and is understood to have lasted for nearly two ...

The UK is set to significantly enhance its security measures in the wake of increasing threats both domestically and ...

All 25 passengers - personnel from MI5 , British Army and the Royal Ulster Constabulary - were killed, along with the helicopter's four crew members.

British spy chiefs will be expecting a higher level of threat from Iranian agents in the wake of US attacks on the country, a ...

Iran's covert network of spies and footsoldiers across the west and in Britain could launch a wave of terror attacks in ...

An underground network of Iranian sleeper cells poses an unlikely but credible threat to the UK, defense and security experts ...

According to the newly announced National Security Strategy, the major threats to the UK are nuclear war, international war, hostile states and crime, artificial intelligence, new chemical and ...

Metreweli will assume office as the spy agency's 18th chief, taking over from Richard Moore, who held the job for five years.

ITV thriller series Betrayal starring Endeavour and Vigil star Shaun Evans and Atonement 's Romola Garai has officially ...

The first ever female Chief of the UK’s 116 years Secret Intelligence Service, (MI6), Blaise Metreweli, has been announced by ...

MI6's Blaise Metreweli is the first woman in 116 years to lead the UK's secret intelligence service, succeeding Sir Richard Moore later this year ...