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  2. The Thing (listening device) - Wikipedia

    en.wikipedia.org/wiki/The_Thing_(listening_device)

    The Thing consisted of a tiny capacitive membrane connected to a small quarter-wavelength antenna; it had no power supply or active electronic components. The device, a passive cavity resonator, became active only when a radio signal of the correct frequency was sent to the device from an external transmitter. This is referred to in NSA parlance as "illuminating" a passive device. Sound waves ...

  3. Covert listening device - Wikipedia

    en.wikipedia.org/wiki/Covert_listening_device

    A covert listening device, more commonly known as a bug or a wire, is usually a combination of a miniature radio transmitter with a microphone. The use of bugs, called bugging, or wiretapping is a common technique in surveillance, espionage and police investigations. Self-contained electronic covert listening devices came into common use with ...

  4. Room 641A - Wikipedia

    en.wikipedia.org/wiki/Room_641A

    Global surveillance. Room 641A is a telecommunication interception facility operated by AT&T for the U.S. National Security Agency, as part of its warrantless surveillance program as authorized by the Patriot Act. The facility commenced operations in 2003 and its purpose was publicly revealed by AT&T technician Mark Klein in 2006.

  5. Spy Kids - Wikipedia

    en.wikipedia.org/wiki/Spy_Kids

    Spy Kids is an American media franchise centered on a series of spy action comedy films created by Robert Rodriguez. The plot follows various children, who discover that their respective parents are spies and become involved in an espionage organization when their parents go missing.

  6. Tempest (codename) - Wikipedia

    en.wikipedia.org/wiki/Tempest_(codename)

    Tempest (codename) TEMPEST is a U.S. National Security Agency specification and a NATO certification [1] [2] referring to spying on information systems through leaking emanations, including unintentional radio or electrical signals, sounds, and vibrations. [3] [4] TEMPEST covers both methods to spy upon others and how to shield equipment ...

  7. Countersurveillance - Wikipedia

    en.wikipedia.org/wiki/Countersurveillance

    Countersurveillance refers to measures that are usually undertaken by the public to prevent surveillance, [1] including covert surveillance. Countersurveillance may include electronic methods such as technical surveillance counter-measures, which is the process of detecting surveillance devices. It can also include covert listening devices ...

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