The confidential information system should strictly set user rights and control the scope of confidential information according to the principle of "whatever you have".

The outsourcing of classified network operation and maintenance services shall select units with corresponding qualifications to integrate classified information systems, strictly define the service outsourcing business scope, sign confidentiality agreements, and strengthen confidentiality management.

According to the regulations, no protective measures have been taken to prohibit information exchange between classified networks and the Internet and other public information networks. If it is really necessary to copy data from public information networks such as the Internet to classified networks, necessary protective measures should be taken, such as burning and downloading disposable CDs, setting up intermediary machines or using information one-way import equipment approved by the state secrecy administrative department.

Common sense of secret network management:

Users of classified networks should be trained in the knowledge and skills of classified networks; Users and managers of secure networks should sign a confidentiality undertaking. All kinds of classified information equipment shall be uniformly purchased, registered, marked and equipped, and the classification of equipment shall be clearly marked according to the highest classification of information storage, processing and transmission, and the confidentiality management of use, maintenance, scrapping and destruction shall be strictly implemented.

Strict information input and output control, standardize file printing, storage media use and other behaviors. When copying data from non-confidential network to confidential network, protective measures such as virus killing and one-way import should be taken. Cooperate with the safety management department to detect abnormal electromagnetic signals in places and environments involved in classified networks and take corresponding protective measures.