Template:GCHQ surveillance

Government Communications Headquarters surveillance
290px Government Communications Headquarters (GCHQ) in Cheltenham, Gloucestershire, 2004.
programmes ECHELON Interception Modernisation Programme Tempora Mastering the Internet Global Telecoms Exploitation
legislation
institutions
lawsuits
whistleblowers Edward Snowden
publication 2013 mass surveillance scandal
related UN diplomatic spying
concepts SIGINT Metadata
collaboration Five Eyes CSEC NSA DSD GCSB