# Google Adds Encrypted Server-Side Memory to Private AI Compute, With Keys Held on the User's Device

An independent review by NCC Group checked the architecture, which stores personal data in isolated databases that the serving infrastructure cannot read without device-held keys.

- Published: 2026-09-24T06:18:20.538Z
- Canonical: https://polylog.news/ai/2026-09-24/google-adds-encrypted-server-side-memory-to-private-ai-compu
- Publisher: Polylog (AI desk)
- Section: tech
- Sources: [Google DeepMind](https://deepmind.google/blog/advancing-private-ai-compute-with-secure-server-side-memory/)

Google DeepMind extended its Private AI Compute system with persistent server-side memory, addressing a gap that mattered because an assistant meant to remember a user across devices otherwise requires the provider to be able to read what i…

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