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Network security index calculation method

A technology of network security and calculation method, which is applied in the field of calculation of event collection to quantify the degree of environmental security of the system, and can solve problems such as the inability to measure the state of network security.

Inactive Publication Date: 2016-12-07
瑞达信息安全产业股份有限公司
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Problems solved by technology

[0006] But qualitative descriptions alone cannot measure the current state of cybersecurity

Method used

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Embodiment Construction

[0037] The invention discloses an event analysis method oriented to the e-government intranet and suitable for network security monitoring, which is suitable for the calculation method of network security state quantification, and the algorithm flow chart is as follows figure 1 shown, including the following steps:

[0038] 1001), the definition of the event

[0039] Define normal network records as ordinary events; define events that violate network management rules or are obviously different from normal behaviors as abnormal events; capture events that endanger information security and system security in the network through network security equipment or other technical means Defined as a security event; statistical processing is performed on all events generated in the network in real time.

[0040] 1005), calculate the event size index

[0041] The number of abnormal events / security events in the network event system and the risk level of each event are determined through...

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Abstract

The invention discloses a network security index calculation method. The method comprises: quantifying network events that qualitatively describe network states, defining the network events as abnormal events and secure events, determining the number of the abnormal events and / or secure events in a network event system and the risk grade of each event by means of an event set, calculating an event grade index, finally calculating a network security index according to an event scale index and the event grade index so as to obtain a description of explaining system stability. The method can converts describe network qualitative description into quantitative description so as to reflect the basic fact of the network security state.

Description

technical field [0001] The invention belongs to the technical field of computer information security, and relates to a comprehensive network supervision quantitative description method oriented to an e-government intranet, in particular to a calculation method for quantifying the security degree of a system environment based on event sets collected by network security monitoring. Background technique [0002] With the increasing scale of the e-government intranet, the work of comprehensive monitoring of the network and ensuring information security is becoming increasingly complex. [0003] In order to be able to fully perceive what is happening on the intranet, especially the security situation, the relevant management departments have adopted many network management tools to monitor and manage the network. [0004] In the application scenario of network monitoring, network security administrators need to have qualitative and quantitative descriptions of the network securit...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06
CPCH04L63/20
Inventor 刘毅李渊吴峥肖霄周洁
Owner 瑞达信息安全产业股份有限公司
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