Beijing website construction: the difference between the second and third level of equal protection?

Importance of information system:

Level II: Class II protection It is usually applicable to some information systems involving important national interests, national defense security, social and public interests, etc.

Level 3: Level 3 protection is generally applicable to some extremely important and core information systems, such as information systems related to state secrets, national defense and important national economic infrastructure.

Protection requirements:

Level II: Level II of level protection requires the information system to take certain security measures, including network firewall, intrusion detection, data backup, etc.

Level 3: Level 3 of hierarchical protection requires that the information system needs higher level security measures, including stricter network monitoring, access control, security audit, etc., to deal with higher level threats.

Data classification:

Level 2: The data in the level 2 information system is usually confidential, but it does not have to be top secret.

Level 3: The data in the level 3 information system usually includes top secret data, which requires a higher level of protection.

Compliance review:

Level II: The compliance review of the information system needs to be carried out regularly to ensure that it meets the requirements of level II protection.

Level 3: More frequent and in-depth reviews are required to ensure that the information system meets the level 3 standard of hierarchical protection.

Training and certification:

Level II: Network security training is required for relevant personnel to improve their security awareness and skills.

Level 3: For Level 3 information systems, a higher level of network security authentication is usually required to ensure that operators have higher level of skills and knowledge.

Communication and cooperation:

Level 2: It is necessary to ensure the secure communication with other information systems, but usually it is not necessary to have high-level network isolation.

Level 3: A higher level of network isolation is required to prevent external attacks and internal leaks.

Regulatory and legal requirements:

Level II: It is required to comply with national and local network security regulations to ensure the legitimacy and compliance of the information system.

Level 3: more strict compliance is required, because the information system may involve more sensitive information.

The Beijing Classification Protection Standard is to ensure the network security of information systems at all levels, and formulate different protection requirements according to their importance in national security, national defense, economy and other fields. Enterprises and government departments need to understand these requirements and take corresponding measures according to the nature and importance of their information systems.