Exclusive: Security services would be relocated into existing Whitehall buildings as part of ongoing economy drive
Defector Boris Karpichkov claims Russia had a secret agent in GCHQ and Williams knew who it was
Change to UK motoring laws will also give speeding exemptions to transplant organ couriers and bomb disposal units
The international puzzle that requires knowledge of steganography, Aleister Crowley and the darknet is back again, and the internet is just as confused
Putin's chief of staff Sergei Ivanov was well known to the murdered double-agent
Radical plans created by Britain’s security services will see school leavers recruited as “trainee spies” to form a new generation of espionage experts.
In long-awaited report, Lord Stevens calls for a radical overhaul of the way forces operate
What will you watch this week?
The heads of MI5, MI6 and GCHQ yesterday told MPs that the information leaked to the press by Edward Snowden, a former employee of the NSA, had significantly compromised their operations.
A former cabinet minister has said that politicians did have a "broad understanding" of British spies' massive snooping operations before they were revealed in the Edward Snowden leaks.
The heads of Britain’s security services left MPs in no doubt whom they blame for aiding terrorism
Sir Tim called for 'a full and frank' public debate as intelligence bosses face quizzing from Parliamentary committee later this afternoon
Recently auctioned file belonging to Hitler’s deputy offer insight into more of his bizarre wartime plans
If economic recovery takes hold in coming years it is possible that unrest may tail off, yet there are at least two sets of factors that could continue to fuel protest
PM instructed Sir Jeremy Heywood to request The Guardian hand over classified material
Oscar-nominee Maggie Gyllenhaal has started filming seven-part spy thriller The Honourable Woman in London.