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Smart grid intrusion detection system and method

An intrusion detection system and smart grid technology, applied in the field of information technology security, can solve the problem that the system cannot accurately identify unknown attacks, restrict the scalability of the system, etc., to strengthen the active defense capability, reduce the false positive rate and false negative rate of intrusion attacks rate, the effect of enhancing scalability

Active Publication Date: 2018-05-18
GLOBAL ENERGY INTERCONNECTION RES INST CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This will cause the system to be unable to accurately identify unknown attacks, seriously restricting the scalability of the system

Method used

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  • Smart grid intrusion detection system and method
  • Smart grid intrusion detection system and method
  • Smart grid intrusion detection system and method

Examples

Experimental program
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Embodiment 1

[0030] An embodiment of the present invention provides a smart grid intrusion detection system, such as figure 1 As shown, it includes: monitoring module 1, information preprocessing module 2, data association module 3, and depth detection module 4, wherein:

[0031] Such as figure 2 As shown, the monitoring module 1 is used to obtain the data of the electric equipment in the smart grid. In one embodiment, the data of the electric equipment mainly includes: the message of the electric equipment and the quantity measurement of the electric equipment in the primary line. Specifically, the monitoring module 1 includes a network unit 11 and a smart device 12, wherein: the network unit 11 collects messages of electric devices; the smart device 12 collects a quantity measurement of electric devices in a line.

[0032] In the embodiment of the present invention, the monitoring module 1 is distributed in the smart grid to collect useful information in the information system and the ...

Embodiment 2

[0053] An embodiment of the present invention provides a smart grid intrusion detection method, such as image 3 shown, including the following steps:

[0054] Step S1: Obtain the data of the electric equipment in the smart grid. In an embodiment, the data of the electric equipment includes: the message of the electric equipment and the quantity measurement of the electric equipment in the primary line.

[0055] In one embodiment, it is assumed that a total of n monitoring modules (M 1 , M 2 ,...,M n ), these n monitoring modules contain n smart devices (T 1 , T 2 ,...,T n ) and n network elements (W 1 ,W 2 ,...,W n ). After starting the monitoring module, the administrator first assigns IP addresses (IP 1 ,IP 2 ,...,IP n ) and complete communication-related initialization operations, and then assign target power equipment groups to each smart device. Suppose the i-th monitoring module M i smart device T i Responsible for configuring, detecting, and controlling...

Embodiment 3

[0067] An embodiment of the present invention provides a smart grid intrusion detection device, such as Figure 4 As shown, it includes: at least one processor 210, such as a CPU (Central Processing Unit, central processing unit), and a memory 220 communicatively connected to at least one processor; Figure 4 A processor 210 is taken as an example. The system may further include: an input unit 230 .

[0068] Processor 210, memory 220, and input unit 230 may be connected via bus 200 or other methods, image 3 Take connection via bus 200 as an example.

[0069] Wherein, the memory 220 stores instructions executable by the processor 210, and the processor 210 executes various functional applications and data processing of the server by running the non-transitory software programs, instructions, and modules stored in the memory 220, that is, realizes The method in Example 2.

[0070] The input unit 230 can receive input numbers or character information, and generate key signal...

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Abstract

The invention discloses a smart grid intrusion detection system and method. The system comprises: a monitoring module used for obtaining data of electrical equipment in a smart grid; an information preprocessing module used for preprocessing the data in the electrical equipment to generate grid information data; a data association module used for performing integration and fusion on the grid information data to form fusion data; and a depth detection module used for analyzing the fusion data of the smart grid to identify the type of an intrusion attack. By adoption of the smart grid intrusiondetection system and method provided by the invention, the operation data in an information system can be comprehensively obtained to effectively identify malicious attack behaviors, the scalability of intrusion detection is improved while the intrusion detection precision of the smart grid is improved, and the false alarm rate and the missing report rate of the intrusion attack of the smart gridare reduced.

Description

technical field [0001] The invention relates to the field of information technology security, in particular to a smart grid intrusion detection system and method. Background technique [0002] With the rise of the smart grid, attacks such as bad data injection and tampering of device status in the smart grid, in view of the security threats introduced by information technology in the smart grid, many researchers propose to use the intrusion detection method in the information network to protect the smart grid. Intrusion detection is to collect and analyze information such as audit records, security logs, user behavior, and network data packets through several key points in the computer system or network, and check whether there are currently intrusion behaviors and signs of attacks that violate security policies in the network or system . However, most current intrusion detection systems are constructed based on certain rules, which not only has a high false alarm rate, but...

Claims

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Application Information

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IPC IPC(8): H04L29/06G06K9/62G06N3/04
CPCH04L63/1441G06N3/045G06F18/231
Inventor 张涛费稼轩周诚马媛媛邵志鹏石聪聪范杰黄秀丽汪晨陈牧陈璐戴造建李尼格
Owner GLOBAL ENERGY INTERCONNECTION RES INST CO LTD
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