Abstract:  Critical information infrastructure operation security is one of the important contents of cyber security Cyber Security Law and Critical Information Infrastructure Protection (Draft Regulations) emphasize critical information infrastructure protection system including cyber security information sharing However, China has not made specific provisions on the scope and connotation of the cyber security information Prerequisite condition for the construction of sharing system is to clarify the definition of cyber security information The definition decides the choice of sharing form and path Meanwhile, accreditation of cyber security information should be based on safety operation of the critical information infrastructure (CII) The generalized definition can guide the relevant subjects to correctly judge the security information that needs to be shared The specific requirements towards information content and nature could contribute to the effective communication In addition, miscellaneous provisions are not preferable because these provisions will blur the concepts, increasing the possibility of legal rights infringement Specific provisions of the concept should demonstrate the security situation of CII, including both potential cyber security threats and emergency response to major cyber security incidents

Key words:  critical information infrastructure, cyber security information, operation safety, accreditation standards