Legal basis: Article 2 of the Cyber Security Law of the People's Republic of China "This Law is applicable to the construction, operation, maintenance and use of networks in People's Republic of China (PRC) and the supervision and management of network security." At the same time, the general principles also clarify the supervision and management responsibilities of the national network information department, the competent telecommunications department and the public security department for network security. At the same time, the Network Security Law provides for network operation security, information security, monitoring and early warning, and emergency handling. It makes the "legal vacuum" zone of network security have laws to follow. It has played an important role in standardizing network behavior and enhancing network security capabilities.