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The proposed concept is of an Application Sandbox Model that restricts any malicious code from making changes to the actual system hard-disk by using a counterfeit Virtual Hard-Disk. The applications initiated using this Sandbox are allowed to read any file from the real hard disk but when they need to make changes(write) to any file then the Sandbox copies that file from the real hard disk to a Virtual Hard-Disk Space and then makes changes to this counterfeit copy of the file. For every future access request (read or write) of the same file only this counterfeit copy shall be referred.
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