Operations
The functions of the GCSB include signals intelligence, communications security, anti-bugging measures, and computer security.
For the purposes of its signals intelligence activities, the GCSB maintains two "listening stations": a satellite communications interception station at GCSB Waihopai near Blenheim and a radio communications interception station at GCSB Tangimoana near Palmerston North. The Waihopai station has been operating since 1989, and was expanded with the construction of a second interception dish in 1998. The Tangimoana station was opened in 1982, replacing an earlier facility at Irirangi, near Waiouru.
The GCSB does not publicly disclose the nature of the communications which it intercepts. It is frequently described by some authors, such as Nicky Hager, as part of ECHELON. In 2006, after the death of former Prime Minister David Lange, a 1985–86 report given to Lange was found among his papers, having been mistakenly released. The report listed a number of countries as targets of GCSB efforts, including Japan, the Philippines, Argentina, France, Vietnam, and many small Pacific island states. It also mentioned United Nations diplomatic traffic. In his book on the GCSB, Nicky Hager says that during the Cold War, the locations and activities of Soviet ships (including civilian craft such as fishing trawlers) were a major focus of the organisation's activities.
Read more about this topic: Government Communications Security Bureau
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