An E-mail Monitoring System for Detecting Outflow of Confidential Documents

E-mails are widely used communication tool with their convenienceand efficiency. In spite of their usefulness, they are difficult to control in thate-mails are easily used as outflow path of confidential documents in an organization.In order to detect and prevent the outflow, the e-mail monitoring iswidely used. We propose a system that detects in real time the outflow of thedocuments to be protected. It is based on the automatic text categorization andmachine learning technique. The experimental result shows the high accuracyand efficiency of the method.