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Criminals may use surveillance cameras to monitor the public. For example, a hidden camera at an [[Automated Teller Machine|ATM]] can capture people's [[Personal Identification Number|PINs]] as they are entered, without their knowledge. The devices are small enough not to be noticed, and are placed where they can monitor the keypad of the machine as people enter their PINs. Images may be transmitted wirelessly to the criminal. Even lawful surveillance cameras sometimes have their data go into the hands of people who have no legal right to receive it.<ref>{{cite web|url=https://www.letelegramme.fr/france/benalla-trois-policiers-suspendus-pour-avoir-transmis-des-images-de-videosurveillance-20-07-2018-12032279.php|title=Benalla. Trois policiers suspendus pour avoir transmis des images de vidéosurveillance|date=20 July 2018}}</ref>
=== Use in shopping malls
Theft is a huge concern for many department stores and shopping malls. CCTV helps to protect stores' assets, and ensures the safety of employees and customers.<ref>{{cite web|url=https://www.videosurveillance.com/retail-surveillance-systems.asp|title=Retail surveillance systems|website=videosurveillance.com|accessdate=18 July 2021}}</ref>
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