Google DeepMind Blog · September 23, 2026

Private AI Compute memory: verify key release and persistent-state boundaries

Why it matters

Google’s technical brief describes per-user encrypted memory inside an attested confidential-computing environment, with protected channels connecting storage and inference. Persistent storage needs a stable user identifier, so it does not claim network-level non-targetability. Independent client verification and witnessed transparency logs remain roadmap work.

My takeaway: For persistent AI memory, check who can release decryption keys, which binaries are authorized, and whether logs or crash dumps can expose plaintext. Distinguish encrypted retention from deletion, and verify present attestation evidence separately from planned transparency features.
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