IP cameras offer encryption of the video feed as well as multilevel user access control. This means you can control exactly who can see what in your system, and your video is safe from any form of third-party manipulation.
Analog video is insecure. Lacking encryption or any means of authentication, the video feed from an analog camera can easily be tapped into, or even altered or replaced to disrupt the surveillance operation.
Apart from HTTPS encryption and VPN support, the IP camera can also use IEEE 802.1x and IP address filtering. A digital watermark can be added to all recorded material.
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