A method and system for quantitative evaluation of offensive and defensive behaviors based on game theory

A quantitative evaluation and game theory technology, applied in the field of network security, to achieve the effect of novel concept, strong innovation and strong applicability

Inactive Publication Date: 2021-09-28
UNIVERSITY OF CHINESE ACADEMY OF SCIENCES
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Problems solved by technology

[0009] The purpose of the present invention is to provide a method and system for quantitative evaluation of offensive and defensive behaviors based on game theory, which can solve the problem of quantitative analysis of mutual confrontation and mutual game between offensive and defensive behaviors

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  • A method and system for quantitative evaluation of offensive and defensive behaviors based on game theory
  • A method and system for quantitative evaluation of offensive and defensive behaviors based on game theory
  • A method and system for quantitative evaluation of offensive and defensive behaviors based on game theory

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Embodiment Construction

[0070] The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, so as to define the protection scope of the present invention more clearly.

[0071] see figure 1 and figure 2 , the embodiment of the present invention includes:

[0072] A method for quantitative evaluation of offensive and defensive behavior based on game theory, comprising the following steps:

[0073] 1) First, this embodiment assumes that there is a typical network system topology such as figure 1 shown. An attacker can access clients A and B through the Internet, and there is a firewall between the Internet and the intranet. The access rules of the firewall are listed in Table 2. In particular, shadow assets are “copies” of key assets that mislead an adversary’s perception and decision-making process.

[0074...

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Abstract

The invention discloses a game theory-based quantitative evaluation method and system for offensive and defensive behaviors. The method is as follows: 1) divide the network attack process into multiple links, and set the attack target and corresponding defense target of each link; 3) Calculate the utility value of each offensive and defensive behavior according to the information collected in step 2). The invention can solve the problem of quantitative analysis of mutual confrontation and mutual game between attack behavior and defense behavior.

Description

technical field [0001] The invention belongs to the technical field of network security, and further relates to a quantitative evaluation method and system for offensive and defensive behaviors based on game theory. The main function of the present invention is to reveal the attack and defense utility transmission and restriction mechanism based on the association and transformation relationship between attack and defense, propose a system framework of attack and defense evolution measurement indicators and its quantification and composite model, and establish an attack and defense evolution utility evaluation method. The present invention is applicable to the current situation of gradually losing awareness of the current network situation in the face of huge data, and also has extremely positive significance for the analysis and prediction of the development trend of offensive and defensive technologies. Background technique [0002] With the development of network attack a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/06H04L12/24
CPCH04L41/142H04L63/1441
Inventor 杨粟张玉清
Owner UNIVERSITY OF CHINESE ACADEMY OF SCIENCES
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