I have a bit of SuperMicro hardware, and it’s pretty popular with the FreeNAS folks. Here’s a thread on the report on the FreeNAS forums:
Having read the article, I’m a little skeptical. There doesn’t seem to be any independent corroboration of the claims, no sources are named for the juicy bits (and therefore their credibility can’t be assessed), and the supposed capabilities of this tiny chip just don’t seem plausible. And Bloomberg isn’t exactly a tech-heavy publication.
Further, the article claims that multiple routes were used to inject the chips, including embedding them directly in the boards–yet another level of complication.
So, yeah, there’s a lot that doesn’t really add up. I’m not saying I’m convinced it’s impossible, but I’m not yet convinced (1) that it happened at all, or (2) if it did, that it’s something that would affect other users of that hardware.