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MOBILE INFORMATION SECURITY SYSTEM USING FILE SYSTEM VIRTUALIZATION IN A SMART PHONE AND A METHOD FOR PROVIDING VIRTUAL SECURITY ENVIRONMENT, CAPABLE OF PROTECTIG CRITICAL INFORMATION WHEN CONNECTED TO INTRANET ZONE FOR WORKING
MOBILE INFORMATION SECURITY SYSTEM USING FILE SYSTEM VIRTUALIZATION IN A SMART PHONE AND A METHOD FOR PROVIDING VIRTUAL SECURITY ENVIRONMENT, CAPABLE OF PROTECTIG CRITICAL INFORMATION WHEN CONNECTED TO INTRANET ZONE FOR WORKING
PURPOSE: A mobile information security system using file system virtualization in a smart phone and a method for providing virtual security environment are provided to classify business environment and general environment strictly, by restricting users to access intranet through authentication, and terminating all applications operating in the smart phone in case of authentication pass, and converting to use a file system of virtual security environment.;CONSTITUTION: A memory (400) includes encrypted virtual region (410) and general region (420). A device management part (100) operates an application based on the general region, which is not connected to the intranet or is operating in the general mode without user authentication even though it is connected to the intranet. The device management part operates the application on the basis of the virtual region in the user-authenticated business mode by being connected to the intranet. A file system in user space (FUSE) (300) snatches file processing of a virtual file system (VFS) according to the instruction of the device management part in the business mode, and performs file processing on the basis of the virtual region.;COPYRIGHT KIPO 2013;[Reference numerals] (100) Device management part; (200) FSV engine; (410) Virtual region; (420) General region
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