Joint Threat Research Intelligence Group

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Group.png Joint Threat Research Intelligence Group   PowerbaseRdf-icon.png
Parent organizationGCHQ
Typeintelligence agency

The Joint Threat Research Intelligence Group (JTRIG) is a unit of the Government Communications Headquarters (GCHQ), the UK intelligence agency.[1]


The group became public knowledge after the Edward Snowden Affair as it is mentioned in documents he publicised.[2]


The scope of the JTRIG's mission includes using "dirty tricks" to "destroy, deny, degrade [and] disrupt" enemies by "discrediting" them, planting misinformation and shutting down their communications.[2][3] Known as "Effects" operations, the work of JTRIG had become a "major part" of GCHQ's operations by 2010.[4]

Documents leaked by Edward Snowden reveal that JTRIG use computer viruses to make people's computers unusable, including encrypting of deleting files or emails.[5][6]

According to documents released to NBC News by Edward Snowden, JTRIG's role is to "deny, disrupt, degrade and deceive". This includes use of DDOS attacks on chatrooms.[7]