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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. It can also include covert listening devices ...
Electronic harassment, electromagnetic torture, or psychotronic torture is the delusional belief, held by individuals who call themselves " targeted individuals " ( TIs ), that malicious actors are transmitting sounds and thoughts into people's heads, affecting their bodies, and harassing them generally. [ 1][ 2] The delusion often concerns ...
Listening devices of the East German security services. 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 audio surveillance system Walmart designed is composed of several sensors that can collect all kinds of audio data, including beeps and the rustling of paper bags. Any data it gathers can be ...
Surveillance is used by citizens, for instance for protecting their neighborhoods. It is widely used by governments for intelligence gathering, including espionage, prevention of crime, the protection of a process, person, group or object, or the investigation of crime. It is also used by criminal organizations to plan and commit crimes, and by ...
The FBI initiated COINTELPRO, an abbreviation for Counterintelligence Program, in 1956 with the aim of undermining the operations of the Communist Party of the United States. In the 1960s, the scope of the organization was broadened to encompass various additional domestic factions, including the Ku Klux Klan, the Socialist Workers Party, and ...
National intelligence services keep libraries of devices manufactured by their own country and others, and then use a variety of techniques to learn what equipment is acquired by a given country. Knowledge of physics and electronic engineering further narrows the problem of what types of equipment might be in use. An intelligence aircraft ...
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.