That is often incorrect for Apple computers, whether x64+T2 or aarch64: https://support.apple.com/fr-tn/guide/security/seca4960c2b5/web https://support.apple.co

That is often incorrect for Apple computers, whether x64+T2 or aarch64: https://support.apple.com/fr-tn/guide/security/seca4960c2b5/web https://support.apple.com/fr-tn/guide/security/seca4960c2b5/... And it’s often incorrect on x64 PCs when IOMMU access is appropriately segmented. See also e.g. Thunderclap: https://www.ndss-symposium.org/wp-content/uploads/ndss2019_05A-1_Markettos_slides.pdf https://www.ndss-symposium.org/wp-content/uploads/ndss2019_0... It may still be true in some cases, but it shouldn’t be taken for granted that it’s always true.