Reports this week that the National Security Agency uses radio signals to collect data from tens of thousands of non-U.S. computers, some not connected to the Internet, is sure to fuel more acrimony towards the U.S. spy agency. . But observers note that the NSA is not the first of the world's spy agencies to use such technology to surreptitiously gather classified information from other countries. The link for this article located at Network World is no longer available. . International intelligence organizations, such as the GCHQ, leverage electromagnetic frequencies to discreetly collect information from a distance.. Global Surveillance Technology, Covert Data Collection, Radio Signal Exploitation. . LinuxSecurity.com Team
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