Noun
English Wikipedia has an article on:mass surveillanceWikipedia
mass surveillance (uncountable)
The pervasive surveillance of an entire population, or a substantial fraction thereof.
No system of mass surveillance has existed in any society that we know of to this point that has not been abused. Edward Snowden
No matter the specific techniques involved, historically mass surveillance has had several constant attributes. [...] A citizenry that is aware of always being watched quickly becomes a compliant and fearful one. Glenn Greenwald