3 ms·Internal TPM is more secure for attestation. You can MitM the LPC bus with an external TPM, faking PCRs.by lima 7y agoInternal TPM is more secure for attestation. You can MitM the LPC bus with an external TPM, faking PCRs.gruez 7y ago>You can MitM the LPC bus with an external TPM, faking PCRs. not an issue if it's on-die, as the parent suggested.lima 7y agoYou are right, of course. My bad!