@4Dgifts @TheKanter @cynicalsecurity @danluu I said unverified AMD K8 ucode update isn't AMD's nor their fabs' backdoor
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Replying to @4Dgifts
@4Dgifts@TheKanter@cynicalsecurity@danluu@byterazor@ortegaalfredo I have yet to hear of a CPU backdoor discovered in the wild2 replies 1 retweet 1 like -
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Replying to @4Dgifts
@4Dgifts@solardiz@TheKanter@danluu@byterazor@ortegaalfredo I think we haven't seen them because, quite frankly, they are not needed…2 replies 1 retweet 2 likes -
Replying to @cynicalsecurity
@cynicalsecurity@4Dgifts@solardiz@TheKanter@danluu@byterazor exactly. Hard backdoors are a bad idea, too easy to turn them against you2 replies 0 retweets 0 likes -
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Replying to @4Dgifts
@4Dgifts@ortegaalfredo@cynicalsecurity@TheKanter@danluu@byterazor Would a tiny bit of non-volatile memory be easily seen on a die shot?2 replies 0 retweets 1 like -
Replying to @solardiz
@solardiz@4Dgifts@ortegaalfredo@cynicalsecurity@TheKanter@byterazor Very hard to sneak in, since it's a different manuf. process.1 reply 1 retweet 0 likes -
Replying to @danluu
@solardiz@4Dgifts@ortegaalfredo@cynicalsecurity@TheKanter@byterazor However, it's common to build mini-logic analyzers in for si debug2 replies 1 retweet 0 likes
@solardiz @4Dgifts @ortegaalfredo @cynicalsecurity @TheKanter @byterazor and those can record info and dump, but normally won't have nvram
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