Definicija: surveillance is covertif, and only if, it is carried out in a manner calculated to ensure that any persons who are subject to the surveillance are unaware that it is or may be taking place; it includes monitoring, observing or listening to persons, their movements, conversations or other activities and communications
Vir definicije: Covert Surveillance and Property Interference, Revised Code of Practice, August 2018, Home Office, UK
Vir - besedilo: Regulation of Investigatory Powers Act 2000, UK
Opomba: prevod iz slovenščine
Raba: priporočeno