Dahua DHI-VTO2000-A-2-S, User Manual

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Cybersecurity Recommendations VIII

Isolate NVR and IP Camera Network
Ensure that the network for the NVR and IP cameras should not be the same network
as a public computer network. Separate networks prevent unauthorized users
accessing the same network the security system.

Secure Auditing
Check online users regularly to ensure unauthorized accounts are not logged in to a
device.
Check the equipment log to access the IP addresses used to login to devices and
their key operations.