Decentralized control system attack intrusion detection device and method thereof
A decentralized control system, intrusion detection technology, applied in general control systems, control/regulation systems, program control, etc., can solve the problem of high false negative and false positive rates, limited equipment resources, and increased network security threats and risks. and other problems to achieve the effect of reducing the false negative rate and false positive rate and ensuring the accuracy
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[0036] Such as figure 1 As shown, a distributed control system attack and intrusion detection device includes a data processing module 1 connected to a distributed control system network router, the data processing module 1 is connected to a database module 2, and the database module 2 is bidirectionally connected to the attack intrusion detection module 3, and the data The processing module 1 obtains communication link data from the distributed control system network router, and extracts attack symptom characteristic data from the communication link data;
[0037] The attack intrusion detection module 3 is used to analyze the attack symptom characteristic data according to the set attack intrusion confidence rule base, and obtain the attack detection result;
[0038] The database module 2 is used to receive and store the attack symptom characteristic data output by the data processing module 1, and receive and store the attack detection result output by the attack intrusion d...
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