A Comprehensive Review of Network Security Assessment Technologies
Keywords:
internet, information technology, network security, network security assessmentAbstract
With the rapid advancement of the Internet and information technology, networks have been deeply integrated into human life. However, the abundant Internet services and applications have also brought about increasingly severe network security issues. Network security assessment technology emerges as a proactive strategy to address these challenges. This paper first elaborates on the basic concepts of network security assessment (e.g., vulnerability, attack probability, risk value) and its research significance, emphasizing its role in proactive risk identification and threat mitigation. It then presents the architecture of network security assessment, which includes five key components: collection and preprocessing of original security events, correlation and merging of network events, security situation assessment, situation prediction, and situation visualization. Focusing on the current research status, the paper classifies assessment methods into three categories based on their principles: mathematical model-based methods, knowledge reasoning-based methods, and pattern recognition-based methods. Finally, the paper summarizes the existing challenges and prospects for future research directions in network security assessment.
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