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The Government Communications Security Bureau (GCSB) ((マオリ語:Te Tira Tiaki), formerly ''Te Tari Whakamau Irirangi'') is the public service department of New Zealand charged with promoting New Zealand's national security by collecting and analysing information of an intelligence nature. According to the Bureau's official website, its mission is to contribute to the national security of New Zealand by providing: information assurance and cyber security, foreign intelligence, and assistance to other New Zealand government agencies.〔(【引用サイトリンク】title=Our work )〕 ==History== The Government Communications Security Bureau was created in 1977 on the instructions of Rob Muldoon, the Prime Minister. Prior to this, the functions now handled by the GCSB were split between three organisations: *Communications security was the responsibility of the Communications Security Committee, based around the Prime Minister's office and the Ministry of Foreign Affairs. *Signals intelligence was the responsibility of the Combined Signals Organisation, run by the military. *Anti-bugging measures were the responsibility of the Security Intelligence Service. Upon its establishment, the GCSB assumed responsibility for these three roles. Officially, the new organisation was part of the Ministry of Defence, and its functions and activities were highly secreteven Cabinet was not informed. In the 1980s, however, information was gradually released, first about the GCSB's security role, and then about its signals intelligence operations. Also in the 1980s, the GCSB was split away from the Ministry of Defence, becoming a separate organisation. It was not until 2000, however, that it was decided to make the GCSB a government department in its own right. This decision was implemented through the Government Communications Security Bureau Act 2003. In 2001, the Centre for Critical Infrastructure Protection was formed within the GCSB with a mandate to assist in the protection of national critical infrastructure from information borne threats. The National Cyber Security Centre was established within the GCSB in September 2011, and it absorbed the functions of the Centre for Critical Infrastructure Protection.〔(Government Communications Security Bureau ). New Zealand Intelligence Community.〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Government Communications Security Bureau」の詳細全文を読む スポンサード リンク
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