BOOT LOADING OF SECURE OPERATING SYSTEM FROM EXTERNAL DEVICE

摘要

A device for establishing a secure computing environment on a host computer. The device can include an interface configured to couple to the host computer. The device can also include a configuration module configured to identify a file that comprises configuration settings of the host computer's native boot loader that is used to load the host computer's native operating system. The configuration module can create a backup copy of the configuration settings of the native boot loader. The device includes a memory that holds a secure operating system. The device can also include a modification module configured to modify the configuration settings of the host computer's native boot loader to cause the secure operating system to be loaded from the device in place of the native operating system.