Wikipedia: The Joint Threat Research Intelligence Group (JTRIG) is a unit of the Government Communications Headquarters (GCHQ), the British intelligence agency .[1] The existence of JTRIG was revealed as part of the global surveillance disclosures by NBC News in documents leaked by the former National Security Agency contractor Edward Snowden.[2]
Edward Snowden released this top secret document, and Glen Greenwald published it on his website The Intercept. Hat tip to Glenn Greenwald and Edward Snowden.
JTRIG – Joint Threat Research Intelligence Group