Security cameras, also known as CCTV cameras, are used to convey signals from one particular place to a monitor situated at a distance, whereas surveillance cameras normally work on IP networks which link the camera from the remote area to the assigned security location. Surveillance cameras and facial recognition are used to monitor public and private spaces and to identify people, as is becoming both more pervasive and more invasive. There are many benefits of having surveillance cameras, as can be seen below.