Tag: Security service AudioSecurity Service file release August 2011Thursday 8 September 2011Professor Christopher Andrew introduces the 27th Security Service records release containing 171 files, bringing...AudioSecurity Service file release March 2010Monday 8 March 2010Professor Christopher Andrew, formerly official historian of MI5 and author of ‘The Defence of...AudioSecurity Service file release August 2008Sunday 31 August 2008Over 150 Security Service files dating from around the time of the Second World... « 1 2