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HVCI
NeverSightAI edited this page Jul 16, 2026
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Hypervisor-Enforced Code Integrity (Memory Integrity): VBS feature where the Secure Kernel (VTL1) and hypervisor EPT/SLAT enforce that kernel pages are not simultaneously writable and executable without re-validation.
Raises the cost of classic kernel code patches and some BYOVD patterns; baseline assumption alongside Secure Boot/TPM in serious AC and DMA threat models. Does not stop pure external DMA by itself—IOMMU/attestation still required.
PatchGuard · BYOVD · IOMMU · Windows Kernel · Anti-Cheat
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