a watch kept over a person, group, etc., especially over a suspect, prisoner, or the like: The suspects were under police surveillance.
continuous observation of a place, person, group, or ongoing activity in order to gather information: video cameras used for covert surveillance.See also electronic surveillance.
attentive observation, as to oversee and direct someone or something: increased surveillance of patients with chronic liver disease.
Origin of surveillance
1790–1800; <French, equivalent to surveill(er) to watch over (sur-sur-1 + veiller<Latin vigilāre to watch; see vigil) + -ance-ance
A day later, he had the employee use Tor, web browsing software designed to evade surveillance, to set up a Bitcoin wallet to accept the payment.
The FBI broke up a Russian hacker plot to extort millions from Tesla|Aaron Pressman|August 28, 2020|Fortune
Williams learned that in investigating a theft from the store, a facial recognition system had tagged his driver’s license photo as matching the surveillance image.
The Bias in the Machine - Issue 89: The Dark Side|Sidney Perkowitz|August 19, 2020|Nautilus
We’re already starting to see police departments and technology providers move beyond static, retrospective face recognition systems to live video analytics that are integrated with other types of data streams like audio gunshot surveillance systems.
There is a crisis of face recognition and policing in the US|Tate Ryan-Mosley|August 14, 2020|MIT Technology Review
Last week, the city’s Public Safety Committee approved the first draft of an ordinance intended to set new rules around the use and acquisition of surveillance gear.
Smart Streetlights Are Now Exclusively a Tool for Police|Jesse Marx|July 20, 2020|Voice of San Diego
After years of mounting frustration and criticism over the mission creep of San Diego’s smart streetlights program, the City Council is poised to begin debating the merits of a surveillance ordinance.
Morning Report: How We Got Here With Smart Streetlights|Voice of San Diego|July 10, 2020|Voice of San Diego
These include having his personal guards conduct 24-hour surveillance outside her home, according to affidavits.
Glock Founder Puts Bullseye on Ex-Wife|Brandy Zadrozny|December 6, 2014|DAILY BEAST
A surveillance video shows the radio car driving directly into the park, just feet from the youngster.
The Cleveland Cops Who Fired 137 Shots and Cried Victim|Michael Daly|December 2, 2014|DAILY BEAST
A senior Pentagon official agreed that there is a shortage of surveillance planes needed to track down ISIS.