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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.
Special Collection Service (SCS): A black budget program that is responsible for "close surveillance, burglary, wiretapping, breaking and entering." It employs covert listening device technologies to bug foreign embassies, communications centers, computer facilities, fiber-optic networks, and government installations. [33]
Covert modulation for digital surveillance [ edit ] In the 1950s, it was found that there could be electrical coupling between the unencrypted side of a "RED" signal inside a secure communications facility, and either the conductor carrying the "BLACK" encrypted signal, or possibly the electrical ground(s) of the system.
The head of the post office law enforcement division running a covert social media collection program is expected to brief lawmakers on the House Oversight Committee Wednesday morning about its ...
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.
The Thing, also known as the Great Seal bug, was one of the first covert listening devices (or "bugs") to use passive techniques to transmit an audio signal. It was concealed inside a gift given by the Soviet Union to W. Averell Harriman , the United States Ambassador to the Soviet Union , on August 4, 1945.