Early PC had all their OS in Rom. Apples (Mac, etc) for instance. It was abandoned because it was difficult to patch the OS. The patch were needed to fix unplea

Early PC had all their OS in Rom. Apples (Mac, etc) for instance. It was abandoned because it was difficult to patch the OS. The patch were needed to fix unpleasants "features" of the program. The back side is that it also allows to install backdoors or snooping extensions. A better approach would be to create simpler systems that are easier to verify and monitor, and harder to corrupt. Another approach is to use micro kernel architecture and a container oriented system. Finally, the backdoor strategy of the NSA is now proven to be harmful. With all their tools, they should know who is behind it.