On March 11 2021, online seminar organized by the National Industry Information Security Development and Research Centre introduced the GB 40050-2021 Critical Network Devices Security Common Requirements and PLC Technique Requirements and Evaluation Criteria.

The evaluation of PLC products is referring to the following standards: GB/T 33008.1-2016 Industrial automation and control system security—Programmable logic controller (PLC)—Part 1: System requirements; and GB/T 36470-2018 Information security technology—Common security functional requirements for data acquisition and control field devices of industrial control systems. 

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