Surveillance. For IB-1 ITGS By Indrani. Surveillance is the use of IT to monitor the actions of people.
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For IB-1 ITGS
The word surveillance may be applied to observation from a distance by means of electronic equipment (such as CCTV cameras), or interception of electronically transmitted information (such as Internet traffic or phone calls). It may also refer to simple, relatively no- or low-technology methods such as human intelligence agents and postal interference.
One common form of surveillance is to create maps of social network based on data from social network sites such as Facebook, MySpace, Twitter as well as from traffic analysis information from phone call records such as those in the NSA call database__,__ and others. These social network"maps" are then data mined to extract useful information such as personal interests, friendships & affiliations, wants, beliefs, thoughts, and activities.
Aerial surveillance is the gathering of surveillance, usually visual imagery or video, from an airborne vehicle—such as a unmanned aerial vehicle, helicopter, or spy plane. Military surveillance aircraft use a range of sensors (e.g. radar) to monitor the battlefield.