The Model of Network Security Situational Awareness

摘要

The growth of the Internet has brought a variety of security issues,such as dangerous and widespread security threats.To solve increasingly security issues,we have studying network situational awareness from three levels: perception,comprehension and projection.In the perception level,the information fusion is used to deal with the multiply sources data.In the comprehension level,combined with network environment information,the policy from bottom to top and from local to global are adopted.And in projection level,we present GM(1,1) projection model and correct the initial value.Finally,we demonstrate the utility of proposed method through rigorous experiment