Core contents of the standard: First, information transmission safety requirements, specifying the security architecture, data encryption, identity authentication, and access control requirements for elevator information transmission systems; Second, communication protocol specifications, unifying the communication protocol requirements between elevator control systems, monitoring systems, and remote operation and maintenance systems; Third, data security requirements, clarifying the collection, transmission, storage and use requirements for elevator operation data, user data, and maintenance data; Fourth, network security protection, specifying the security protection requirements such as firewalls, intrusion detection, and virus protection for elevator network systems; Fifth, security assessment and testing, unifying the assessment methods and testing standards for elevator information transmission and control safety.