Abstract: As an important part of the industrial Internet, industrial control systems play an important role in the development of the industrial Internet. Industrial control systems are gradually becoming more networked, intelligent, and open. The importance of security standardization in industrial control systems has become increasingly prominent. The development of security standards for industrial control systems is of great importance for the protection of information security in industrial control systems. Domestic and foreign major standards organizations have formulated a series of security standards for industrial control systems in a targeted manner, which is of great significance for guiding the security industry of industrial control systems and the implementation of security deployment of enterprises. This article focuses on the analysis of the typical security standards of industrial control systems at home and abroad, and summarizes its characteristics and deficiencies. It serves as a reference for China to better develop industrial control system security standards and industrial Internet security standards, and finally put forward some targeted recomm endations.

Key words: industrial control system, security standard, industrial Internet