Connections Explorer
Every line on this board is documented. The Archive remembers not just that two records are connected — but why, and where the evidence lives.
Government Communications Headquarters
Government Communications Headquarters (GCHQ) is the United Kingdom's signals intelligence and information assurance agency, responsible for intercepting foreign communications and protecting British government systems.
If you're learning about this topic for the first time, these are the best places to continue — documented evidence and historical relationships are the guide.
Government Communications Headquarters is documented in the evidence record of this published dossier.
GCHQ's closest intelligence partner and primary collaborator in joint signals intelligence collection programs under Five Eyes arrangements.
NSA contractor whose 2013 disclosure of classified documents revealed the scale of GCHQ surveillance programs including Tempora.