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Parameter self-adaption network security posture quantitative evaluation method

A technology for network security and quantitative assessment, applied in transmission systems, electrical components, etc., can solve problems such as self-adaptive adjustment of security requirements

Active Publication Date: 2015-01-07
STATE GRID CORP OF CHINA +4
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  • Abstract
  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Most of the existing research results on network security situational awareness adopt a hierarchical index system and index weighted evaluation model, but the model parameters are static and cannot be adaptively adjusted according to the dynamic network environment and the security needs of network administrators

Method used

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  • Parameter self-adaption network security posture quantitative evaluation method
  • Parameter self-adaption network security posture quantitative evaluation method
  • Parameter self-adaption network security posture quantitative evaluation method

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Embodiment Construction

[0065] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0066] The present invention provides a parameter adaptive network security situation quantitative evaluation method, the method includes the following steps:

[0067] Step 1: Establish a network security situational awareness system;

[0068] Step 2: Obtain situational elements;

[0069] Step 3: Standardize and weight the situation elements;

[0070] Step 4: Dynamically adjust the weights of situational elements.

[0071] In the step 1, such as figure 1 , the network security situation awareness system includes multiple subnets, second-level switches, first-level switches, firewalls, traffic capture software systems, IDS and situation awareness servers; each subnet is connected to the first-level switch through the second-level switch, The first-level switch is connected to the external network after being passed through a firewall, and the first-level s...

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Abstract

The invention provides a parameter self-adaption network security posture quantitative evaluation method. The method comprises the following steps that a network security posture sensing system is established; posture elements are acquired; the posture elements are subjected to standardization processing and weighted processing; the weights of the posture elements are dynamically adjusted. According to the method, the acquired posture elements are comprehensive and comprise the six aspects of anomaly traffic flow, network attack, Trojan viruses, host loopholes, resource consumption and network operation from the angles of flow and a host. Relevant parameters are dynamic and can be dynamically adjusted along with variation of network environments and security demands, the variation condition of the network security postures can be reflected accurately, and a dynamic adjusting algorithm has high efficiency.

Description

technical field [0001] The invention belongs to the field of computer network security, and in particular relates to a parameter adaptive network security situation quantification evaluation method. Background technique [0002] With the rapid development of information technologies such as computers and communications, the Internet has become increasingly popular around the world and has been applied to all aspects of people's work, study and life. By the end of 2013, the Internet had covered nearly 40% of the world's population, and the number of users had reached 2.7 billion. In China, the number of Internet users has also grown rapidly to 618 million. Its applications are also growing rapidly, among which the development of e-commerce and social networking has further promoted the prosperity of the Internet. However, with the wide application of the Internet, its security issues are becoming increasingly prominent. Driven by the pursuit of profit, revenge, and destruct...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06
CPCH04L63/14H04L63/20
Inventor 王玉斐马媛媛何高峰陈璐管小娟华晔汪晨楚杰
Owner STATE GRID CORP OF CHINA
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