Physical and environmental safety: The safety protection requirements for outdoor control equipment have been increased, such as the box or device in which the control equipment is placed and the environment around the control equipment; Network and communication security: Increased network architecture security protection requirements, communication transmission requirements, and access control requirements adapted to the network environment of industrial control systems, and increased dial-up usage control and wireless usage control requirements; Equipment and computing safety: The safety requirements for control equipment have been increased. The control equipment is mainly applied to the real-time controller equipment of the industrial control system to perform control logic and data acquisition functions, such as PLC, DCS controller, etc.; Security construction management: Increased requirements for product procurement and use and software outsourcing, mainly for industrial control equipment and industrial control special information security products, as well as requirements for confidentiality and professionalism when outsourcing industrial control system software; Security operation and maintenance management: The requirements for vulnerability and risk management, malicious code prevention management and security incident handling have been adjusted, and it is more suitable for industrial scene applications and industrial control systems. 1. Concept and definition of industrial control system Industrial control system (ICS) is a general term for several types of control systems, including data acquisition and monitoring control systems (SCADA) systems, distributed control systems (DCS) and other control systems, such as those often used in industrial sectors and critical infrastructure Programmable logic controller (PLC). Industrial control systems are commonly used in industries such as power, water and sewage treatment, oil and gas, chemicals, transportation, pharmaceuticals, pulp and paper, food and beverages, and discrete manufacturing (such as automobiles, aerospace, and durable goods). Industrial control systems are mainly composed of process level, operation level, and communication networks between and within levels. For large-scale control systems, it also includes management level. The process level includes controlled objects, field control equipment and measuring instruments, etc. The operation level includes engineer and operator stations, man-machine interface and configuration software, control servers, etc., and the management level includes production management systems and enterprise resource systems, etc., communication networks Including commercial Ethernet, industrial Ethernet, fieldbus, etc. 2. Hierarchical model of industrial control system The standard refers to the hierarchical structure model division of IEC 62264-1, and at the same time abstracts the commonalities of models such as SCADA system, DCS system and PLC system, forming a hierarchical architecture model as shown in Figure 2, which is divided into 5 from top to bottom. The levels are, in order, enterprise resource level, production management level, process monitoring level, field control level, and field equipment level. Different levels have different real-time requirements. The enterprise resource layer mainly includes the ERP system functional units, which are used to provide decision-making operation methods for the enterprise decision-making employees; the production management layer mainly includes the MES system functional units, which are used to manage the production process, such as manufacturing data management, production scheduling management, etc.; The process monitoring layer mainly includes the monitoring server and HMI system functional units, which are used to collect and monitor production process data, and use the HMI system to realize human-computer interaction; the field control layer mainly includes various controller units, such as PLC, DCS control units Etc., used to control each execution device; the field device layer mainly includes various process sensing devices and execution device units, which are used to perceive and operate the production process. According to the different levels of business applications, real-time requirements, and different communication protocols between different levels of the industrial control system architecture model, the industrial control security products or solutions that need to be deployed are different, especially when the boundaries involving industrial control protocol communication require the deployment of industrial control Security products for protection not only support fine-grained access control to industrial control protocols, but also meet the real-time requirements of all levels. Figure 2: Typical layered architecture model of industrial control system At the same time, the standard specifically marked that with the development of Industry 4.0 and cyber-physical systems, the above-mentioned layered architecture is no longer fully applicable. Therefore, for the actual development of different industries and enterprises, partial hierarchies are allowed to be merged, and judgments can be made according to the actual scenarios of users. . Fpc Connector,Straight Pin Fpc Connector,Gold-Plated Straight Pin Fpc Connector,Conventional Fpc Connector Shenzhen Jinyicheng Electronci Technology Co.,Ltd. , https://www.jycconnector.com
Industrial control system security expansion requirements