Risky Business #240 -- FPGA "back doors"
On this week's show we're taking a look at some research out of Cambridge University that's drawn a lot of attention. It involves a claim that researchers found a hardware back door on a Chinese-made FPGA (Field Programmable Gate Array).
That FPGA is apparently used in military hardware. You can find links to the draft paper and a write-up here.
So was this "back door" put there by super-secret Chinese cyber-warriors? Or is it something much less interesting like an undocumented debugging interface?
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