Why it matters

SEV enables VM-level confidentiality. Understanding shapes cloud CC.

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The architecture

Encrypted VM memory.

SEV-SNP: integrity + attestation.

Runs standard VM images.

AMD SEV stackVM memoryencryptedSEV-SNPadds integrityAttestationprove stateSEV-SNP is the modern variant with strongest guarantees
AMD SEV.
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How it works end to end

Baseline SEV: encrypted memory.

SEV-ES: register state.

SEV-SNP: full integrity + attestation.

Runs Linux VMs.