This page from GCHQ’s internal GCWIki, last modified on 25 June 2012, enumerates open-source data sets that are available in various agency databases: see the Intercept article Western Spy Agencies Secretly Rely on Hackers for Intel and Expertise, 4 February 2015.
This page from GCHQ’s internal GCWiki, last updated on 6 February 2012, describes progress on LOVELY HORSE, a tool that automates the monitoring of open-source information related to information security: see the Intercept article Western Spy Agencies Secretly Rely on Hackers for Intel and Expertise, 4 February 2015.
This internal NSA document provides the agenda for a visit from the President of Germany’s Federal Office of Information Security (BSI): see the Der Spiegel article New NSA Revelations: Inside Snowden’s Germany File, 18 June 2014.
This GCHQ presentation, given to the 2012 SigDev Conference by a representatives of the Joint Threat Research and Intelligence Group (JTRIG) and Cyber Defence Operations (CDO) describes how JTRIG attempts to “deny, disrupt, degrade and deceive” its targets. Speaker notes are included: see the NBC News article Snowden Docs: British Spies Used Sex and ‘Dirty Tricks’, 7 February 2014.