Method and system for public network communication data security monitoring based on wavelet decomposition

Abstract

The invention discloses a public network communication data security monitoring method and system based on wavelet decomposition. The method includes: collecting real-time traffic data of the public network communication network, and using wavelet decomposition to decompose the real-time traffic data into multiple real-time signals After the component, the energy value of each real-time component is obtained; according to the energy value of each real-time component, the real-time characteristic flow set of the real-time flow data is calculated, and the real-time characteristic flow set is compared with the preset basic characteristic flow set; when When the correlation between the real-time feature flow set and the preset basic feature flow set is lower than a preset threshold, an abnormal data report is output. Based on wavelet decomposition, the present invention extracts and compares characteristic traffic, realizes security data detection of real-time traffic, and greatly improves the security prevention and control capability of public network communication.

Description

technical field [0001] The invention relates to the technical field of public network communication, in particular to a method and system for monitoring public network communication data security based on wavelet decomposition. Background technique [0002] Public network communication is widely used in the field of power communication and is an important part of the power communication network. With the development of smart grid, the application scale of public network communication will be further expanded, and the requirements for data security of public network communication are getting higher and higher. At present, due to the problem that the public network wireless channel is intercepted and imitated by the attacker, the power grid equipment is miscontrolled, and when the power communication network fails, it is difficult to determine whether the fault is caused by the power grid device or the operator channel. Faults cause low efficiency of fault handling. Therefore...

AI Technical Summary

Problems solved by technology

At present, due to the problem that the public network wireless channel is intercepted and imitated by the attacker, the power grid equipment is miscontrolled, and when the power communication network fails, it is difficult to determine whether the fault is caused by the power grid device or the operator channel. Caused by faults, the efficiency of fault handling is low. Therefore, the security monitoring of public network communication data is very necessary, but there is no technical means for realizing the security monitoring of public network communication data in the power communication network in the prior art

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