Ex-MI5 boss Eliza Manningham-Buller points to rising number of cyber attacks as well as sabotage and covert operations on UK ...

Buller, MI5 director general from 2002 to 2007, recalled meeting Vladimir Putin after the G8 meeting in 2005, and said "we ...

Manningham-Buller, who spent more than 30 years in MI5, recalled Putin's hostility to the West when he ordered the poisoning ...

A former head of MI5 has said Britain may already be at war with Russia. Baroness Manningham-Buller, who led the Security Service between 2002 and 2007, cited cyberattacks, espionage and covert ...

“It has been clear since last week’s admissions that we now need a full public inquiry, driven by the Secretary of State, in ...

It will look at why the security service gave false evidence to three courts about conversations with BBC News.

The MI5 secret service is on a recruitment drive to find people who can foil emerging terrorist attacks and keep Britain safe ...

The Security Service MI5 has admitted unlawfully spying on the phone of former BBC investigative journalist Vincent Kearney.

MI5 has admitted it “unlawfully” obtained the communications data of a former BBC journalist in Northern Ireland, a tribunal ...

LONDON -- Stella Rimington, the first female chief of Britain's MI5 intelligence agency and later a successful thriller writer, has died, her family said Monday. She was 90. The first woman to head a ...