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# Germany's BSI publishes C3A criteria to measure cloud sovereignty
- URL: https://sovereigntymonitor.eu/news/2026-04-27-bsi-c3a-cloud-sovereignty-criteria/
- Published: 2026-04-27T12:00:00.000Z
- Updated: 2026-09-21T12:00:25.000Z
- Description: Germany's BSI published C3A (Criteria enabling Cloud Computing Autonomy), a catalogue letting agencies and firms test whether a cloud service can be used self-determinedly, building on its C5 security standard, with optional Germany or EU data-residency requirements.
- Author: Reidar Balstad
- Tags: Policy and law, Compute and infrastructure, #news, #verified, #editor-read

Verified Editor-read [BSI (Bundesamt für Sicherheit in der Informationstechnik) press release, 27 April 2026](https://www.bsi.bund.de/DE/Service-Navi/Presse/Pressemitteilungen/Presse2026/260427%5FC3A.html?ref=sovereigntymonitor.eu)

**What it does not test.** Does not itself certify any provider as sovereign or require any agency to use it.

**How this item counts.** No movement: no answer to who owns, who operates, whose law governs or who made the parts changes. Weight 0\. Published measurement catalogue only, certifies no provider and mandates nothing. [European Sovereignty Index](https://sovereigntymonitor.eu/sovereignty-index/)

**How this item was made.** Drafted by an AI system (Claude (Anthropic)) from the source cited above; read and approved by the editor on 2026-09-21\. [How the record is made](https://sovereigntymonitor.eu/method/#how-the-record-is-made)