Surveillance
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Surveillance (sərˈveɪ.əns)
Surveillance is the close observation of a person, group, or ongoing activity in order to gather information. The term is derived from the French word 'surveiller', which means 'to watch over'.
Etymology
The term 'surveillance' is of French origin, derived from 'sur-' meaning 'over' and 'veiller' meaning 'to watch'. It was first used in English in the early 19th century.
Types of Surveillance
There are several types of surveillance, including:
- Physical Surveillance: This involves the physical observation of a person or place. It is often used by law enforcement agencies to gather evidence in criminal investigations.
- Electronic Surveillance: This involves the use of electronic devices, such as cameras and microphones, to monitor and record activities. It is commonly used in both public and private settings.
- Computer Surveillance: This involves the monitoring of computer activity, including internet use and email communication. It is often used in the workplace to ensure productivity and security.
- Aerial Surveillance: This involves the use of aircraft or satellites to monitor activities from the air. It is often used in military operations and border control.
Related Terms
- Observation: The act of watching something or someone carefully in order to gain information.
- Monitoring: The process of regularly checking something or watching someone in order to find out what is happening.
- Espionage: The practice of spying or using spies to obtain secret information, especially of a political or military nature.
- Privacy: The state of being free from public attention or unsanctioned intrusion.
- Security: Measures taken to guard against espionage or sabotage, crime, attack, or escape.
See Also
- Public Health Surveillance: The ongoing, systematic collection, analysis, and interpretation of health-related data essential to planning, implementation, and evaluation of public health practice.
- Mass Surveillance: The intricate surveillance of an entire or a substantial fraction of a population.
- Surveillance Capitalism: A novel market form wherein the commodity for sale is personal data.
External links
- Medical encyclopedia article on Surveillance
- Wikipedia's article - Surveillance
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