会议论文详细信息
2019 2nd International Conference on Advanced Materials, Intelligent Manufacturing and Automation
Research on Programmable Logic Controller Security
Wu, Haolan^1 ; Geng, Yangyang^1 ; Liu, Ke^1 ; Liu, Wenwen^1
State Key Laboratory of Mathematical Engineering and Advanced Computing, Zhengzhou
450001, China^1
关键词: Computer technology;    Development trends;    Industrial control systems;    Industrial networks;    Industrial systems;    Programmable logic controllers (PLC);    Protocol security;    Security protection;   
Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/569/4/042031/pdf
DOI  :  10.1088/1757-899X/569/4/042031
来源: IOP
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【 摘 要 】

With the convergence of computer technology and industrial networks, attackers are not limited to attacking only individual users' computers, turning to attack industrial control systems that can cause major infrastructure problems. Programmable Logic Controllers (PLC) are the core components of industrial control systems. Its safety has a profound impact on the safety of the entire industrial system. This paper firstly classifies the security research of PLC according to the structure and function, and expounds the existing security defects of PLC from the aspects of firmware security, operation security and program security. Then it summarizes and analyzes four types of security protection measures: the integrity of verification firmware, protocol security encryption, code formal verification, and program security defence detection. Finally, according to the overall safety of the industrial system and the actual development of the current PLC, we discuss the development trend of safety research.

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