Joint Threat Research Intelligence Group

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The Joint Threat Research Intelligence Group is a unit of GCHQ, the British signals intelligence organisation, involved in cyber-attacks and online propaganda operations.[1]

Its existence was revealed in February 2014 by NBC News citing documents leaked by the former US National Security Agency contractor Edward Snowden.[1]

JTRIG 'Operation methods/techniques'. Screengrab from Mandeep Dhami Behavioural Science Support for JTRIG’S Effects and Online HUMINT Operations DSTL, 10 March 2011, Top Secret. p. 9.



JTRIG 'Effects capability' from 'JTRIG tools and techniques' GCWiki Top Secret. p. 5.


See also



  1. 1.0 1.1 Matthew Cole, Richard Esposito, Mark Schone and Glenn Greenwald, Snowden Docs: British Spies Used Sex and 'Dirty Tricks', NBC News, 7 February 2014.