Reply to post: Re: Chinese agents slip spy chips into Super Micro servers

Decoding the Chinese Super Micro super spy-chip super-scandal: What do we know – and who is telling the truth?

Richard 12 Silver badge

Re: Chinese agents slip spy chips into Super Micro servers

Why embed into the motherboard substrate? That's really expensive and subject to failure.

If I were doing this and had that piece of silicon, I'd embed it into the packaging of a chip that's supposed to be there.

Cheaper and more reliable as the chip packaging is designed to do this. At least as hard to detect, possibly more so as multi-die packaging is very common.

Of course, the simplest way to do this kind of thing is to swap out the content of a flash chip.

If this attack is real, I am pretty sure that there was no custom silicon involved whatsoever, it will be a firmware image attack as that's cheaper and harder to detect as there are no visible indicators at all.

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