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GB/T 46334-2025: Security testing methods for critical network devices - Programmable logic controller (PLC)
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| GB/T 46334-2025 | English | 359 |
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Security testing methods for critical network devices - Programmable logic controller (PLC)
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Standard similar to GB/T 46334-2025 GB 46864 | GB/T 43696 | GB/T 43779 | GB/T 47020 | GB 45438 | Basic data | Standard ID | GB/T 46334-2025 (GB/T46334-2025) | | Description (Translated English) | Security testing methods for critical network devices - Programmable logic controller (PLC) | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | L80 | | Classification of International Standard | 35.030 | | Word Count Estimation | 18,174 | | Date of Issue | 2025-10-05 | | Date of Implementation | 2026-05-01 | | Issuing agency(ies) | State Administration for Market Regulation and Standardization Administration of China | GB/T 46334-2025: Security testing methods for critical network devices - Programmable logic controller (PLC)
---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
ICS 35.030
CCSL80
National Standards of the People's Republic of China
Security testing methods for critical network equipment
Programmable Logic Controller (PLC)
Published on 2025-10-05
Implemented on May 1, 2026
State Administration for Market Regulation
The State Administration for Standardization issued a statement.
Table of contents
Preface III
1.Scope 1
2 Normative References 1
3.Terms and Definitions 1
4.Abbreviations 2
5.Test Environment 2
6.Safety Function Testing Methods 3
6.1 Equipment Identification Safety 3
6.2 Redundancy, Backup Recovery, and Anomaly Detection 3
6.3 Vulnerability and Malicious Program Prevention 4
6.4 Security of Pre-installed Software Startup and Updates 4
6.5 User Identification and Authentication 5
6.6 Access Control Security
6.7 Log Audit Security 7
6.8 Communication security 8
6.9 Data Security 8
7.Security Assurance Assessment Methods 9.
7.1 Supply Chain Security 9
7.2 Design and Development 9
7.3 Production and Delivery 10
7.4 User Data Protection 11
References 12
Foreword
This document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part 1.Structure and Drafting Rules of Standardization Documents".
Drafting.
Please note that some content in this document may involve patents. The issuing organization of this document assumes no responsibility for identifying patents.
This document was proposed by the China Machinery Industry Federation.
This document is under the jurisdiction of the National Technical Committee on Standardization of Industrial Process Measurement, Control and Automation (SAC/TC124).
This document was drafted by. the National Industrial Information Security Development Research Center, the Machinery Industry Instrumentation Comprehensive Technology and Economic Research Institute, and China...
China Electronics Technology Standardization Institute, Supcon Technology Co., Ltd., China Electronics Intelligent Technology Co., Ltd., Aotuo Technology Co., Ltd., Mitsubishi
Electrical Automation (China) Co., Ltd., Schneider Electric (China) Co., Ltd., the Third Research Institute of the Ministry of Public Security, and the National Computer Network Emergency Response Technical Team/Coordination Center.
Technology Processing Coordination Center, China Cybersecurity Review and Certification and Market Supervision Big Data Center, China Academy of Information and Communications Technology, National Information Technology
Security Research Center, the Sixth Research Institute of China Electronics Corporation, and the China Software Testing Center (Ministry of Industry and Information Technology Software)
(in collaboration with the Integrated Circuit Promotion Center), Institute of Information Engineering, Chinese Academy of Sciences, Ningbo Hollysys Information Security Research Institute Co., Ltd., and Siemens)
Rockwell Automation (China) Co., Ltd., Omron (Shanghai) Co., Ltd., Omron Automation (China) Co., Ltd.
The company, Beijing Tonghe Shiyi Telecommunications Science and Technology Research Institute Co., Ltd., China Southern Power Grid Science Research Institute Co., Ltd., and the People's Liberation Army
Military Strategic Support Force Information Engineering University, Guangzhou University, Zhejiang University, Antiy Labs Group Co., Ltd., Beijing Huashun Xin'an Information Technology Co., Ltd.
Technology Co., Ltd., Fiberhome Technologies (Beijing) Co., Ltd., China Electric Power Research Institute Co., Ltd., Beijing Zhongguancun Laboratory, Shanghai Computer
Software Technology Development Center, Beijing Tenkong Technology Co., Ltd., and Beijing Zhuoshi Network Security Technology Co., Ltd.
The main drafters of this document are. Zhao Ran, Wang Yumin, Yao Xiangzhen, Cheng Xi, Liu Zihe, Lu Weijun, Huo Yuxian, Chen Sining, Cui Longcheng, and Wang Yong.
Zou Chunming, Zhang Xiaoming, Shen Yongbo, Xia Ji, Guo Chunying, Zeng Zhenzhen, Huo Chaobin, Zhou Ruikang, Li Lin, Wang Xiangyu, Yan Zhaoteng, Liu Ying, Yan Tao, Pan Liang
Yu Haibin, Ding Yiping, Zhang Bo, Yuan Yudong, Xu Aidong, Ma Rongkuan, Shang Wenli, Cheng Peng, Wang Naiqing, Deng Huan, Gong Lianghua, Jia Ling, Wang Zhihui
Wang Yazhe, Zhang Jiawei, Li Peng, Wang Aipeng, Du Jinran, Jing Guoli, Chu Bing, Liao Jian, Pei Yuandou, Wang Yutao, He Minchao, Che Xin, Zhang Wei, Zhang Yawei
Lin Hao, Ge Jianxin, Han Juan, Wei Qiang, Xiao Yufen, Wang Tiegang, Liu Ren, Xiong Junwei.
Security testing methods for critical network equipment
Programmable Logic Controller (PLC)
1 Scope
This document describes the methods for testing the safety functions of programmable logic controllers and for evaluating their safety assurance.
This document applies to the research, development, testing, and other work related to programmable logic controllers that meet the requirements of network critical equipment.
Note. Meeting the scope of network critical equipment refers to the equipment's performance indicators or specifications conforming to the provisions of the "Catalogue of Network Critical Equipment and Network Security Dedicated Products".
The range.
2 Normative references
The contents of the following documents, through normative references within the text, constitute essential provisions of this document. Dated citations are not included.
For references to documents, only the version corresponding to that date applies to this document; for undated references, the latest version (including all amendments) applies.
This document.
GB/T 25069 Information Security Technical Terminology
GB/T 45406-2025 Security Technical Requirements for Critical Network Equipment - Programmable Logic Controllers (PLCs)
3 Terms and Definitions
The terms and definitions defined in GB/T 25069 and the following terms and definitions apply to this document.
3.1
Electronic systems for digital operation in industrial environments. The system uses programmable memory as internal registers for user-instruction-oriented operation.
Devices perform specified functions, such as logic, sequencing, timing, counting, and arithmetic, and control various types of machinery or equipment through digital or analog I/O.
process.
[Source. GB/T 15969.1-2007, 3.5, with modifications]
3.2
Pre-installed software
Software installed or provided at the time of manufacture that is necessary to ensure the normal operation of the equipment.
Note. The pre-installed software of a programmable logic controller is usually the device firmware.
[Source. GB 40050-2021, 3.10, with modifications]
3.3
Read
Upload the pre-installed software, programs, status parameters, and other data from the programmable logic controller.
3.4
Write
The pre-installed software, programs, status parameters and other data are downloaded to the programmable logic controller.
3.5
Vulnerability
Vulnerabilities in assets or controls that could be threatened or exploited.
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