With the continuous evolution of cybercrime and cyber threats,the security of industrial control systems becomes an urgent issue.This paper designs a security analysis engine to detect potential vulnerabilities in protocols,and conducts in-depth analysis using data packets generated by fuzzy testing.The experimental results show that the proposed method achieves rejec-tion rates of 30.7％,41％,and 42.1％for three different protocols,respectively.Especially under the Modbus protocol,the rejection rate is about 30％.In addition,the proposed method significantly increased the number of protocol coverage paths,with an average improvement of 23.7％.Therefore,it improves the security of industrial control systems through protocol fuzzy testing,which can help reduce potential threats and vulnerabilities,and ensure the reliability of the system.
关键词
模糊测试/工控协议/安全性研究/漏洞检测/覆盖路径
Key words
fuzzy testing/industrial control protocol/security research/vulnerability detection/coverage path
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