This presentation from NTAC, part of GCHQ, dated 22 June 2010 provides an introduction to the work of the centre: see the Intercept article Facing Data Deluge, Secret U.K. Spying Report Warned of Intelligence Failure, 7 June 2016.
This page from GCHQ’s internal GCWiki outlines the agency’s approach to maintaining the UK’s “lawful intercept” capability: see the Intercept article Facing Data Deluge, Secret U.K. Spying Report Warned of Intelligence Failure, 7 June 2016.
Full statement of the UK Government’s case against David Miranda’s claim for judicial review, which will be heard at the High Court in London on 6 and 7 November 2013. Miranda is challenging his questioning and detention at Heathrow airport under Schedule 7 of the Terrorism Act 2000.
David Miranda is the partner of former Guardian journalist Glenn Greenwald, who first reported on Edward Snowden’s whistleblowing about the NSA’s mass surveillance programs.