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On our blog, you can find out what security risks exist today and how to protect yourself from them.

Do listening devices need electricity?

by Viliam Koza / Friday, 09 November 2018 / Published in Industrial espionage, Phone tapping

Modern listening devices need electricity but we do not always figure it out immediately.

In the past, most listening devices were placed by attackers in the space. They were easily detectable as they were connected directly to a power source. They were located in sockets, light switches or electrical extension cords or directly in electronic devices connected to power (televisions, radio receivers etc.). Today, connection to power is not absolutely necessary as batteries can also be charged by other means. In addition, there are also devices whose batteries can work for quite a long time even without charging.

Listening is also possible from another site – from the next room through wires or distance listening through a directional microphone. The device itself needs power but that is not necessary in the monitoring room.

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