Trust-based mimicry defense voting mechanism and system

A technology of defense system, mechanism

Active Publication Date: 2020-05-15
PLA STRATEGIC SUPPORT FORCE INFORMATION ENG UNIV PLA SSF IEU
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In order to solve the problem of attack escape caused by the random selection result used by the current mimic defense voting mechanism as the output when the vote cannot be voted under the mimic defense framework, the present invention provides a trust-based mimic defense voting mechanism and system

Method used

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  • Trust-based mimicry defense voting mechanism and system
  • Trust-based mimicry defense voting mechanism and system
  • Trust-based mimicry defense voting mechanism and system

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Embodiment Construction

[0059] In order to make the purpose, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the present invention Examples, not all examples. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0060] Under the DHR architecture, the existing voting method generally adopts the k / n voting method, that is, among n executive bodies, at least k executive bodies have the same operation results, and the operation results are taken as the output results of the system. In practice, due to the complexity of network space, the diversity of network attacks, and the influence of fac...

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Abstract

The invention provides a trust-based mimicry defense voting mechanism and system. The mechanism comprises the steps of 1, counting each execution body according to an operation result of each execution body in the mimicry defense system; 2, according to the counting result, estimating the statistical trust degree of each execution body at the current moment based on a Bayesian estimation theory; and 3, under the condition that voting cannot be carried out, selecting the operation result of the execution body with the maximum statistical trust degree at the current moment as the output of the mimicry defense system. According to the invention, a trust metric is constructed for each execution body according to the historical performance record of each execution body, and when it encounters the condition that voting cannot be performed, the operation result of the execution body with the maximum statistical trust degree is selected as the output result of the system, so that the problem of attack escape can be avoided to the maximum extent.

Description

technical field [0001] The invention relates to the technical field of network security, in particular to a trust-based mimic defense voting mechanism and system. Background technique [0002] With the rapid development of information and network technology, people's daily work and life are increasingly dependent on the network, making cyberspace an important support for today's social functions and social activities. One of the root causes of serious threats to cyberspace security lies in the long-term existence of software and hardware vulnerabilities and backdoors. The security loopholes in the software and hardware of the information system have become the decisive factors that directly affect the security. Practice has proved that the vast majority of information security incidents are initiated by attackers with the help of software and hardware vulnerabilities. At present, there is no effective theoretical and technical solution to the problem of loopholes caused by...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06
CPCH04L63/1433H04L63/145
Inventor 王伟李光松段明陈华瑾王磊郑群雄郭路路杜宜宾李强
Owner PLA STRATEGIC SUPPORT FORCE INFORMATION ENG UNIV PLA SSF IEU
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