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WORLD-INFOSTRUCTURE > ECHELON

ECHELON Facts ECHELON Introduction ECHELON UKUSA Alliance ECHELON Timeline ECHELON UKUSA Signals Intelligence Agreement Partners ECHELON Other involved countries ECHELON Interception Targets ECHELON Main Stations ECHELON Intelligence Budget ECHELON Corporations involved in Intelligence Business ECHELON and COMSAT  INDEX CARD     RESEARCH MATRIX  Virtual Private Networks Virtual Private Networks provide secured connections to a corporate site over a public network as the Internet. Data transmitted through secure connections are encrypted and therefore have to be encrypted before they can be read. These networks are called virtual because connections are provided only when you connect to a corporate site; they do not rely on dedicated lines and support mobile use.