This standard specifies the general security requirements and security extension requirements for the first to fourth level protection objects of network security level protection. This standard is applicable to guide the safety construction and supervision and management of hierarchical non-confidential objects. Note: Level 5 protection objects are very important objects of supervision and management and have special management models and safety requirements, so they are not described in this standard.
GB/T 22239-2019 history
2019GB/T 22239-2019 Information security technology — Baseline for classified protection of cybersecurity
2008GB/T 22239-2008 Information security technology.Baseline for classified protection of information system security