You are correct: nothing is secret, nothing is safe. The governments can, at will, access any computer in the world, any file, and document. The only thing that

You are correct: nothing is secret, nothing is safe. The governments can, at will, access any computer in the world, any file, and document. The only thing that stops them is the law, and as Snowden has shown, that's an oft ignored constraint. So, one must assume that given enough interest, the governments will be able to compromise any system, and any data on these systems.