@TheKanter @cynicalsecurity @danluu Of course, but it's not CPU vendor's nor fab's backdoor. It'd be "merely" a lower-level rootkit.
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@4Dgifts@ortegaalfredo@cynicalsecurity@TheKanter@danluu@byterazor Would a tiny bit of non-volatile memory be easily seen on a die shot?
@solardiz @4Dgifts @ortegaalfredo @cynicalsecurity @TheKanter @byterazor Very hard to sneak in, since it's a different manuf. process.
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@solardiz@4Dgifts@ortegaalfredo@cynicalsecurity@TheKanter@byterazor However, it's common to build mini-logic analyzers in for si debug -
@solardiz@4Dgifts@ortegaalfredo@cynicalsecurity@TheKanter@byterazor and those can record info and dump, but normally won't have nvram
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