PDT-BI: Proactive Detection Technology based on the Biometric Information for Preventing Internal Information Leakage

National Industrial Security Center of National Intelligence Service has announced that information leakages by insiders occurred at the total of 294 cases during the last 8 years. Difficulty of acquiring omen of a security incident and the fact that insiders usually have legitimate privileges make prevent security defense. Therefore, we need to research about developing methods to obtain factors for prediction of information leakage by insiders in a whole new different perspective. When an insider tries to do something malicious, biometric information of the body changes due to tension. This means that biometric information can be used as factor for detecting malicious activities of an insider. In this paper, we propose the proactive detection technique that can detect malicious behaviors of an insider by biometric information. Additionally, we compare proposed technique with other techniques that use biometric information in the security field.