INFORMATION LEAK PREVENTING SYSTEM

摘要

There is provided an information leak preventing system by disabling use of information when divided information parts are at a predetermined distance or above. The system includes a divided information management server, an information terminal, and an authentication device. The divided information management server is connected tot he information terminal via a network. The information terminal can communicate with the authentication device by communication means such as radio or wire or infrared rays. Electronic information used in the system is divided into two or more parts and the divided data parts are stored in at least two of the divided information management server, the information terminal, and the authentication device. When the distance between the information terminal and the authentication device has become a predetermined value or above, at least one of the divided data parts stored is erased.