Surveillance used by government for gathering intellect, prevent crime, protect a process, person, group or object. It can be viewed as violation of privacy.
] is the monitoring of behavior, activities, or other changing information for the purpose of influencing, managing, directing, or protecting people.[2] This can include observation from a distance by means of electronic equipment (such as closed-circuit television (CCTV) cameras)[3] or interception of electronically transmitted information (such as Internet traffic or phone calls). It can also include simple no- or relatively low-technology methods such as human intelligence agents and postal interception.