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. Surveillance is used by citizens, for instance for protecting their neighborhoods. It can also include simple technical methods, such as human intelligence gathering and postal interception. This can include observation from a distance by means of electronic equipment, such as closed-circuit television (CCTV), or interception of electronically transmitted information like Internet traffic. Surveillance is the monitoring of behavior, many activities, or information for the purpose of information gathering, influencing, managing or directing. Surveillance cameras Surveillance Camera to support the Washington DC Police Not to be confused with Computer and network surveillance. 'Electronic surveillance' redirects here.
