Surveillance in French means “to watch over” and is now being used extensively to track the behavior of people involved in surreptitious activities.

Advanced electronic equipments like CCTV are usually used for surveillance, besides intercepting digital transmitted information for monitoring purposes.

Presently surveillance technology is being used for numerous applications in various fields. A complete analysis has been done below.

Surveillance technology is being used by companies for monitoring data and traffic over internet. Now various states are developing advanced data mining programs to find more information about tax defaulters.

Tapping phone calls for nabbing criminals is being used extensively by FBI in US and they are spending close to 1.6 million dollars annually on telephone surveillance. Surveillance cameras have become a necessity at almost all places of entertainment and offices to avoid unauthorized access at work place.

Biometric surveillance using facial information, fingerprints and DNA is being used to track terrorists globally. RFID are fast replacing bar codes for monitoring cargo's and also employees at offices.

More sophisticated surveillance devices are being created that by just from getting DNA information will be able to furnish exact physical details of the person, like his height, weight and even how he walks.

Using radio waves surveillance equipments are being developed which can track person’s heart rate and can suggest the way he is feeling. So get ready to loose your privacy with the advancing surveillance technology.