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In order to quantify the risk of security vulnerabilities, a vulnerability risk assessment methodology is proposed based on connectivity Operators, and vulnerability relationship is quantitatively analyzed on the use of the vulnerability attack graph. Two kinds of connectivity operator are proposed to calculate the connectivity between vulnerability, achieving a quantitative analysis of the vulnerability's...
To solve the information security defense strategy selection problem, we established a non-cooperation and non-zero attack-defense game model, for the attacker and the defender has the features of confrontational goal, strategy dependence and non-cooperative relations. An improved quantization benefits and calculation method is proposed in the model, which can calculate the game equilibrium more accurately...
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