Patent ID: 8904552

Claim:
A system for protecting stored data information, the system comprising: a memory unit which is divided into a plurality of storage regions in which data information is stored and encoded data information required for security is stored in a predetermined one of the plurality of storage regions; a domain unit which comprises a plurality of operating system (OS) domains, which are access subjects, and loads the data information stored in the storage regions that are accessed by the OS domains; and a control unit which controls access of the domain unit to the memory unit, wherein at least two storage regions from the storage regions are allocated to different ones of the OS domains, wherein the control unit comprises a virtual machine monitor to perform the control process, wherein the domain unit comprises: a first domain which provides an OS for installing and executing authenticated security software; a second domain which provides an OS for installing and executing general software; and a third domain which provides an OS that enables the first and second domains to access the storage regions allocated to the first and second domains in the memory unit.