1. A computer system comprising: a processor; a discretionary access control (DAC) operating system executing on the processor; a mandatory access control (MAC) agent configured to implement a mandatory access control (MAC) environment; and one or more storage devices communicatively coupled to the processor, wherein the processor is configured to: execute the MAC agent; receive a request pertaining to accessing a target file stored on the one or more storage devices; intercept, by the MAC agent, the request for access to the target file; determine if the target file is subject to a MAC policy; alter a permission attribute of the target file; and provide access to the target file in compliance with the MAC policy, the provided access based on the altered permissions.