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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.
Surveillance is the monitoring of behavior, ... Espionage is by definition covert and typically illegal according to the rules of the observed party, ...
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 object of a covert investigation, or a covert collection of information or intelligence; the identity of any person who is under covert surveillance; encryption and cryptographic systems; information or intelligence to, or received from, a foreign entity or terrorist group
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]
As the name suggests, human intelligence is mostly collected by people and is commonly provided via espionage or some other form of covert surveillance. However, there are also overt methods of collection, such as via interrogation of subjects or simply through interviews.
A covert operation or undercover operation is a military or police operation involving a covert agent or troops acting under an assumed cover to conceal the identity of the party responsible. [ 1 ] US law
Targeted surveillance can be carried out overtly or covertly, and can involve human agents. Under the Regulation of Investigatory Powers Act 2000 (RIPA), targeted covert surveillance is “directed” if it is carried out for a specific investigation or operation. By comparison, if it is carried out on designated premises or on a vehicle, it is ...