Abstract
The core of network security is the risk assessment. In this letter, a risk assessment method is introduced to estimate the wireless network security. The method, which combines Analytic Hierarchy Process (AHP) method and fuzzy logical method, is applied to the risk assessment. Fuzzy logical method is applied to judge the important degree of each factor in the aspects of the probability, the influence and the uncontrollability, not to directly judge the important degree itself. The risk assessment is carved up 3 layers applying AHP method, the sort weight of the third layer is calculated by fuzzy logical method. Finally, the important degree is calculated by AHP method. By comparing the important degree of each factor, the risk which can be controlled by taking measures is known. The study of the case shows that the method can be easily used to the risk assessment of the wireless network security and its results conform to the actual situation.
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