FCM-GASVM-based industrial control system intrusion detection method
An industrial control system, intrusion detection technology, applied in general control systems, control/regulation systems, adaptive control and other directions, can solve problems such as loss, inability to detect attacks, inability to effectively reduce system security risks, and reduce training time, The effect of improving classification accuracy
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[0052] The present invention will be further described in detail below in conjunction with the examples.
[0053] The industrial control intrusion detection method based on FCM-SVM includes the following steps:
[0054] Step 1: First, use wireshark to capture the Modbus / TCP communication traffic data packets. There are multiple attributes for each ModbusTCP / IP protocol, and extract the attributes that best reflect the data characteristics.
[0055] Step 2: According to the intrusion mode, construct the basic characteristics of the industry, the number of function code requests within 10 seconds, the number of visits to the address within 20 seconds, and the number of connections to the same device within 10 seconds.
[0056] Step 3: Sort the extracted and constructed data packets in chronological order, randomly divide them into different sequences, remove redundant data, normalize the data, and use the minimum and maximum normalization method to normalize the data of differen...
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