Realize basic security functions such as identity authentication, access control, integrity check, data encryption, etc., and ensure that the scope of work of outsourced personnel is strictly controlled by means of authority control, behavior audit, regular inspection, etc.

1. Ensure that measures such as identity authentication and access control can effectively prevent risks such as system counterfeiting and ultra vires. 2. Strictly configure the access control policy based on IP address and network port. 3. Deliver it to the operation and maintenance personnel for use according to the "principle of minimum authorization".

And clearly and strictly implement the responsibility of network security, continuously improve the ability of IT governance to perform its duties, and strengthen the remediation of IT risks.