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At that point, it's already a lost cause. I can understand being worried about something like Inception originally (i.e. just plug in to an unattended machine and lets go!). However, there's a certain level of evasiveness that just equals game over no matter what.
Attacks that are plug and play are worth worrying about, and TB has protections against those (these days). But once you need to take out a screwdriver, the victim is already screwed in uncountably ways, and nobody cares.
