Research on the computer cyber security posture assessment model based on information fusion
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The network is becoming an indispensable part of people’s life. At the same time, the attack behavior in the network is becoming more and more intolerable. People pay more and more attention to the network security technology. In order to reduce more serious information leakage and economic losses caused by network attacks, in recent years, a variety of network security devices have been put into network protection, such as firewall, intrusion prevention system, Honeynet system, anti-virus system, data backup system, security management system and so on. Combining objective weight with subjective weight, the combination weight is optimized by sequential quadratic programming algorithm, which reduces the uncertainty of fusion. The Cyber security posture assessment model can help network security managers master the comprehensive security situation and future development trend of the network in a period of time as a whole, and provide reference for administrators to take corresponding protective measures and improve network security.
Information fusion, Computer network security, Situation assessment model