#hidden-security-camera

CCTV countermeasures !! Except Protective Clothing CCTV showed the risk of various The (wrong most legal) strategies. * Some people deliberately destroyed camera. Some outdoor cameras as used by the Chicago Police Department's evidence is home bullet. * Spray on the lens image is too blurry to read. * Laser pointer can temporarily blind camera and high power lasers to destroy them. However, because most lasers monochromatic, color filters can reduce the effect of laser pointer, but the filter affects the image quality and sensitivity as well as camera (See article on laser safety for details about the problems with filters) to prevent complete infrared, red, green, and blue lasers UV filter to the camera shows a black completely useless. * For a wireless network, transmission network at the same frequency of CCTV is reported to be seamless.

Fake security cameras, or dummy cameras are non-functional surveillance cameras designed to fool intruders, or anyone who it is supposedly watching. Those cameras are intentionally placed in a noticeable place, so passing people notice them and believe the area to be monitored by CCTV.

Criminals may use surveillance cameras, for example a hidden camera at an ATM to capture people's PINs 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.