Confidentiality isn't an add-on: self-host, or EU cloud with a separate confidentiality undertaking for everyone involved.
Run the engine on your hardware with local storage — or our EU cloud with a DPA and encrypted object storage.
Client content is processed only to deliver the service — never to train shared models.
Data-processing agreement (Art. 28 GDPR) template, EU standard contractual clauses for any third-country transfer.
Access scoped per matter and per user across every read path — fuzz-tested for zero leaks between mandates.
Answers cite the exact page. Fabricated citations are dropped before output — protection against hallucination.
Sigmabrain is built for professions where confidentiality is law, not preference.
Your hardware or EU hosting with a DPA. Client data never leaves the EU.
Your knowledge never trains shared models. Ever.
Page-level citations — verify in one click before anything goes into a brief.
Architecture for confidentiality holders — no third party processes client data.