After nearly 60 years of development, China’s petrochemical industry has greatly improved in terms of automation equipment, technology, functions, and scale. Measurement and control devices are constantly updated and upgraded. Thousands of DCS and PLC (programmable controllers) are in operation. ) And IPC (Industrial Personal Computer) systems have become the main control methods for large and medium petrochemical companies. At the same time, with the in-depth development of the two industrializations, the petrochemical industry has to pay attention to the problems exposed in information security: each server or database system lacks effective unified monitoring, and cannot grasp the current status and operating trends of the system. The system is experiencing security It is not possible to alert in time during an attack. How to implement information security management and avoid risks has become the focus of the petrochemical industry.