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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 ...
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 ...
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 ...
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 ...
Radiofrequency MASINT. Radiofrequency MASINT is one of the six major disciplines generally accepted to make up the field of Measurement and Signature Intelligence (MASINT), with due regard that the MASINT subdisciplines may overlap, and MASINT, in turn, is complementary to more traditional intelligence collection and analysis disciplines such ...
Laser microphone. A laser microphone is a surveillance device that uses a laser beam to detect sound vibrations in a distant object. It can be used to eavesdrop with minimal chance of exposure. The object is typically inside a room where a conversation is taking place and can be anything that can vibrate (for example, a picture on a wall) in ...
Signals intelligence ( SIGINT) is the act and field of intelligence-gathering by interception of signals, whether communications between people ( communications intelligence —abbreviated to COMINT) or from electronic signals not directly used in communication ( electronic intelligence —abbreviated to ELINT ). [ 1]
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