From Open Risk Manual


CCTV stands for "closed circuit television". It is a television system comprised of a camera or a set of cameras monitoring a specific protected area, with additional equipment used for viewing and/or storing the CCTV footage. The term itself originates from the fact that, as opposed to broadcast television, CCTV is usually a "closed" rather than "open" system with a limited number of viewers.

CCTV has been traditionally used for surveillance in specific locations with increased security needs such as banks, airports, military installations. In addition, in industrial plants, CCTV equipment has been used to remotely observe processes, for example, in hazardous environments. Increasing use of CCTV in public places has caused debate over public surveillance versus privacy.

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