Threat analysis system, threat analysis device, threat analysis method and threat analysis program

摘要

The rule learning section 81 carries out rough set analysis using the teacher data including the threat information including the plurality of explanatory variables representing the threat event and the discrimination result of the threat information, and learns the decision rule which defines the result of discrimination according to the combination of the explanatory variables.The input section 82 inputs the threat information to be analyzed.The analyzing section 83 applies the inputted threat information to the decision rule, and identifies the decision result as the basis of the discrimination result of the threat information and the result of the discrimination.