Telephone tapping
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Telephone tapping (also wire tapping or wiretapping in American English) is the monitoring of telephone and Internet conversations by a third party, often by covert means. The wire tap received its name because, historically, the monitoring connection was an actual electrical tap on the telephone line. Legal wiretapping by a government agency is also called lawful interception. Passive wiretapping monitors or records the traffic, while active wiretapping alters or otherwise affects it.
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See also
- Covert listening device
- Echelon (signals intelligence)
- Mass surveillance
- Phone hacking
- Secure telephone
- Telephone tapping in the Eastern Bloc
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