A network security camera is a camera that records video over a Wireless Area Network (i.e. WAN) or records over a Local Area Network (i.e. LAN).
A network security camera system helps to turn your computer network into a video system.
The Network Security System can be monitored both locally and remotely.
With the use of a network security camera system you can also remotely monitor and receive images from many6 different places. Many of the higher end network security cameras are able to send the images to you via streaming video.
Recently the Network camera has been combined with the IP camera name. Many people now call the IP Camera the Network Camera. The two are basically one in the same. The main reason that many companies still use the term IP Camera is for the simple fact that customers are also used to the term IP Camera.
Even more so, many customers are now calling the IP Camera and the Network Camera the IP Network Camera. This is probably the best term, as it covers both.