Research on Method of Metrics for Information Ferry in Secret Intranet

The secret intranets bring a lot of conveniences for teaching and scientific researching in many universities. However, there are some new challenges towards the information access controlling at the same time. The ferrying mechanism used in policy of the information access controlling. Aiming at the security issues about secret intranet information ferry, this paper focuses on the policy description, risk analysis and metrics information requirement. Based on GQM developing model, a measurement method is designed. At last, the proposed algorithm is verified by audits log.