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Subjects (1-4 of 4)
Electronic surveillance
1

-- See Also the narrower term Eavesdropping


2

-- See Also the narrower term Electronic intelligence


Here are entered works on the collection and processing, for subsequent intelligence purposes, of information derived primarily from electronic signals that do not contain speech or text. Works on tracking, analyzing, and countering digital security threats are entered under Cyber intelligence (Computer security).

--subdivision Electronic intelligence under individual wars, e.g. World War, 1939-1945--Electronic intelligence
3

-- See Also the narrower term Electronic monitoring in fisheries


4

-- See Also the narrower term Electronic monitoring in the workplace


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