On the information security risk evaluation tools

Information security has become an important part of national security.So in order to ensure information security,building the management system of information security has become the most important task of secure construction.As the constructive basis of information security management system,risk evaluation plays an important role in every system construction.The operation of evaluation of risk is close to risk evaluation tool.It discusses the present situation and the direction of development on the basis of classification of the tools of risk evaluation.