#SIGINT
5 entries tagged SIGINT.
Organizations (3)
- Five Eyes Five Eyes is the signals intelligence alliance between the United States, United Kingdom, Australia, Canada, and New Zealand established under the UKUSA Agreement (1946); its collection infrastructure, including ECHELON, represents the most extensive global surveillance network ever assembled and is referenced throughout the vault's SIGINT and intelligence community subjects.
- GCHQ GCHQ (Government Communications Headquarters) is the UK's signals intelligence agency, based in Cheltenham, whose partnership with the NSA under the UKUSA Agreement forms the core of the Five Eyes intelligence architecture; it is referenced throughout the vault's signals intelligence, Iran-Contra, and Cold War subjects.
- Staff D Staff D was a CIA office specializing in small-scale SIGINT collection that worked closely with the Office of Technical Service and conducted wire-tapping and communications interception operations during the Cold War.
Programs (2)
- ECHELON ECHELON was the code name for the global signals intelligence collection and analysis network operated by the Five Eyes intelligence alliance (United States, United Kingdom, Australia, Canada, New Zealand); its existence was publicly confirmed through European Parliament investigations in the late 1990s, revealing a mass surveillance architecture that intercepted civilian telephone, fax, and data communications worldwide.
- UKUSA Agreement The UKUSA Agreement (1946) is the signals intelligence treaty between the United States, United Kingdom, and later Australia, Canada, and New Zealand that established the Five Eyes intelligence sharing alliance; it is the legal and institutional backbone of ECHELON and all subsequent mass surveillance architectures documented in this vault.