Network intrusion alarm method and system based on nuclear power plant

A network intrusion and nuclear power plant technology, applied in the transmission system, digital transmission system, data exchange network, etc., can solve the problems of not deploying a commercial intrusion detection system and not being able to update the virus database in time, so as to improve the detection ability and alarm mechanism, and meet the Requirements for network security protection, effects of good technical effects

Inactive Publication Date: 2014-06-25
中广核工程有限公司 +2
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Problems solved by technology

However, there is no commercial intrusion detection system deployed in the nuclear power control system for network defense, or the deployed commercial intrusion detection system is also a misuse detection-based intrusion detection system
Since the nuclear power industrial net

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  • Network intrusion alarm method and system based on nuclear power plant
  • Network intrusion alarm method and system based on nuclear power plant
  • Network intrusion alarm method and system based on nuclear power plant

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[0045] In order to make the invention purpose, technical solutions and beneficial technical effects of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described in this specification are only for explaining the present invention, rather than for limiting the present invention.

[0046] According to its working principle, network intrusion detection technology can be divided into two categories: misuse detection technology and anomaly detection technology. Among them, the misuse detection technology is based on data packet feature matching. This detection technology has high accuracy, but the problem is that Unable to find new intrusion patterns and false negatives. Anomaly detection technology, such as Protocol Anomaly Detection System (PADS), builds a description model of normal network behavior based on dat...

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Abstract

The invention discloses a network intrusion alarm method based on a nuclear power plant. The method comprises the steps that data information sent by a visit object is detected, wherein the detection comprises misuse detection and protocol anomaly data detection; if the detection result of the data information is abnormal, real-time early warning information is generated; the real-time early warning information and historical early warning information in a database are matched; and if the matching result of the real-time early warning information and the historical early warning information does not accord with a preset matching value, intrusion alarm information is issued. The network intrusion alarm method based on the nuclear power plant, which is provided by the invention, can effectively meet the requirement of network security protection of an industrial network of the nuclear power plant. In addition, the invention further discloses a network intrusion alarm system based on the nuclear power station.

Description

technical field [0001] The invention belongs to the field of nuclear power plant security, and more particularly, the invention relates to a nuclear power plant-based network intrusion alarm method and system. Background technique [0002] Intrusion Detection System (IDS) refers to a system that identifies and deals with malicious use of computer and network resources. As the scale of the network becomes larger and larger, the resources on the network become more and more abundant, the threats from the network also become more and more, and the attacks become more and more secretive. The data of nuclear power operation is related to national security and social stability. Therefore, it is imperative to construct a network security system to ensure the security of data centers. The industrial control system, including the nuclear power plant control system, is an independent network because it is not connected to the Internet network. Under normal circumstances, there is no...

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Application Information

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IPC IPC(8): H04L12/24H04L29/06
CPCH04L63/1416H04L63/1425H04L63/145H04L67/12Y04S40/18Y04S40/20
Inventor 孙永滨刘高俊王婷孙奇张建波何大宇陈卫华黄伟军彭华清王春冰段奇志杨华龙
Owner 中广核工程有限公司
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