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The "Five Eyes", often abbreviated as "FVEY", refer to an intelligence alliance comprising Australia, Canada, New Zealand, the United Kingdom, and the United States. These countries are bound by the multilateral UKUSA Agreement, a treaty for joint cooperation in signals intelligence. The origins of the FVEY can be traced back to World War II, when the Atlantic Charter was issued by the Allies to lay out their goals for a post-war world. During the course of the Cold War, the ECHELON surveillance system was initially developed by the FVEY to monitor the communications of the former Soviet Union and the Eastern Bloc, although it allegedly was later used to monitor billions of private communications worldwide. In the late 1990s, the existence of ECHELON was disclosed to the public, triggering a major debate in the European Parliament and, to a lesser extent, the United States Congress. As part of efforts in the ongoing War on Terror since 2001, the FVEY further expanded their surveillance capabilities, with much emphasis placed on monitoring the World Wide Web. The former NSA contractor Edward Snowden described the Five Eyes as a "supra-national intelligence organisation that doesn't answer to the known laws of its own countries".〔 Documents leaked by Snowden in 2013 revealed that the FVEY have been spying on one another's citizens and sharing the collected information with each other in order to circumvent restrictive domestic regulations on surveillance of citizens.〔〔〔〔 Despite the impact of Snowden's disclosures, some experts in the intelligence community believe that no amount of global concern or outrage will affect the Five Eyes relationship, which to this day remains one of the most comprehensive known espionage alliances in history. == Overview == Since processed intelligence is gathered from multiple sources, the intelligence shared is not restricted to signals intelligence (SIGINT) and often involves defence intelligence as well as human intelligence (HUMINT). The following table provides an overview of most of the FVEY agencies involved in such forms of data sharing.〔 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「Five Eyes」の詳細全文を読む スポンサード リンク
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