System and method for reinforcing authentication using context information for mobile cloud

PURPOSE: A mobile cloud connection situation information usage authentication intensifying system and a method thereof are provided to authenticate a mobile communication system user based on the situation information which is able to reflect the user connection environment in a service using point of the user of the mobile cloud service. CONSTITUTION: A mobile terminal (100) comprises a situation information collection module and an authentication execution client module. The mobile terminal transmits a situation information message including the situation information and the authentication information. A situation information based authentication server (200) receives the situation information message and the authentication information. The situation information based authentication server determines the authentication means based on the situation information message. The situation information based authentication server executes the authentication of the user of the mobile terminal. [Reference numerals] (100) Mobile terminal; (200) Situation information based authentication server; (210) Data receiving daemon; (220) Authentication execution daemon; (230) Authentication policy applying daemon; (240) Situation information DB; (250) Authentication policy DB; (260) Authentication log DB