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Comment How would a VM help? (Score 1) 462

Unless the VM was perfect, you never used the host OS for anything except running the VM, and you restored the VM from a backup on non-rewritable media whenever you used the bank, it wouldn't provide the kind of security a live CD would. And if all of these conditions are met, usability is less than that of a live CD.

Comment But there are only two possibilities, unless.. (Score 1) 143

..someone is trying to hack you. So you have to check whether or not it's set either way. The way it is now, that's all you have to check. With your proposal, after checking that, you'd after have to check what it's set to. Which would be more code to write, and run slower, without giving any more functionality.

Comment Re:They physically own the box (Score 1) 236

You already trust them 100% if you let them have access to your box

FDE + temp sensor in RAM that trashes the key if it's cooled = you don't have to trust them at all. Just be sure to pick an OS that won't need rebooted ever. And disable 1394.

If it needs to be secure through reboots, you'll have to find/make a case that destroys the drives if someone opens/breaches it.

So ya, some measures need taken, but it's far from impossible.

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