Firewire and USB were designed with a feature called Direct Memory Access (DMA). This turns out to have been a terrible mistake, since it allows a malicious device the possibility of searching the entire memory of the host computer, without the knowledge of the host.
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UA1: Doctor Why?…
Thanks to Nicholas for suggesting this first entry in my new “ten minutes, no references” project, now titled (as you can see) Unreliable Answers. The subject: “Why Dr Who got cancelled. Long term problems, or short-term silliness?”, and my ten……