Legal analysis: "Equal protection", that is, information security level protection, is the basic national policy and system in the field of network security in China. As early as 2065438+August 2007, the evaluation center of the Ministry of Public Security combined the five basic requirements of grade protection in the compilation according to the opinions of the Network Information Office and the Information Security Standards Committee, forming a standard. (GB/T 22239—20 19 replaces GB/T 22239-2008) This standard was issued on May 19, 2009 and implemented on February 19, 2009.

Legal basis: Standardization Law of People's Republic of China (PRC).

Article 10 Compulsory national standards shall be formulated for the technical requirements for safeguarding personal health and life and property safety, national security, ecological environment safety and meeting the basic needs of economic and social management. The relevant administrative departments in the State Council are responsible for proposing, organizing drafting, soliciting opinions and technical review of mandatory national standards in accordance with their duties. The State Council standardization administrative department is responsible for the formulation, numbering and external notification of mandatory national standards. The administrative department in charge of standardization in the State Council shall examine whether the mandatory national standards to be formulated conform to the provisions of the preceding paragraph, and establish a project if they conform to the provisions of the preceding paragraph. The administrative departments of standardization of the people's governments of provinces, autonomous regions and municipalities directly under the Central Government may put forward suggestions to the administrative departments of standardization of the State Council to formulate mandatory national standards, which shall be decided by the administrative departments of standardization of the State Council jointly with the relevant administrative departments of the State Council. Social organizations, enterprises, institutions and citizens may put forward suggestions to the administrative department in charge of standardization in the State Council to formulate mandatory national standards. If the standardization administrative department of the State Council considers it necessary to establish a project, it shall decide with the relevant administrative departments of the State Council. Mandatory national standards are issued with the approval or authorization of the State Council. Where laws, administrative regulations and the State Council decisions provide otherwise for the formulation of mandatory standards, such provisions shall prevail.

Eleventh basic and universal technical requirements, which are compatible with mandatory national standards and play a leading role in related industries, can formulate recommended national standards. Recommended national standards shall be formulated by the administrative department of standardization of the State Council.