Authentication method and device using biometric information and context information

A terminal according to one embodiment of the present invention, sensing unit that collects authentication information and the first authentication information and the second based on the authentication information to perform authentication, and the authentication based on the first authentication information is successful and the second authentication When judged that the information has failed authentication based on the sensing part 3, it controls to collect authentication information, the first one by a control unit for, based on the third authentication information to perform authentication, obtained from two or more terminals biometric information or status information the combine can increase the reliability and security of authentication by performing authentication.