The grading method for classified protection of information system based on analytic hierarchy process and Dempster/Shafer theory

This paper starts with the grading standard of classified protection of information system, and comes up with the grading method based on analytic hierarchy process and Dempster/Shafer theory for classified protection of information system. We proposed a multilevel evaluation index mechanism which is used to classified protection level of information system The quantitative value of each evaluation index was calculated by Dempster/Shafer theory. The integral protection security level of information system was obtained with the value of each evaluation index combining. At last, we use an example to prove it that this method can be used efficiently in the grading of classified protection.