Surveillance: Introduction Surveillance in common parlance means

Introduction Surveillance in common parlance means to have a close observation of someone or being in a state of observation. Throughout the world, different governments especially in developed countries use various mechanisms to conduct surveillance on their citizens. Governments take these kinds of steps to protect their country from external threats, to have a check on crime and criminals, for the purpose of investigation etc. Surveillance in this modern IT-backed era means surveillance ... Learn what surveillance means and how it is used by law enforcement and other agencies. Explore the different types and methods of surveillance with examples and quizzes. Definition of surveillance noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. Modern security uses different types of surveillance for a well-rounded security strategy. Learn about the 6 surveillance methods and their uses in the industry.