Computer information systems that store and handle state secrets (hereinafter referred to as classified information systems) shall be protected at different levels according to the degree of classified information. According to the relevant provisions of hierarchical protection and the requirements of national confidentiality standards, classified information systems should be equipped with three types of security management personnel (referred to as "three members"), who are responsible for system operation, security management and security audit respectively. The "three members" are responsible for maintaining the safe, stable and reliable operation of the system and play an important role in the security of classified information systems and state secrets.

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