The retention period of system operation logs on the centralized management and control platform for sensitive information access logs should be no less than 3 years.

Sensitive security tags are the basis for mandatory access control. They have both subject and object. The form of existence does not matter. It may be an integer number or a letter. In short, it represents the security level of the subject and object; mandatory access control is This level determines what authority the subject has to operate the object. Sensitive tags are set by security administrators with strong authentication.