I'm talking about really secure systems, although I'm not sure if such exist in real world.
If we take BIOS security seriously, access to BIOS flash must be restricted to BIOS setup application, for example by programming some non-resettable "write protect" bit before booting the OS.
If we take BIOS security seriously, access to BIOS flash must be restricted to BIOS setup application, for example by programming some non-resettable "write protect" bit before booting the OS.