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What is a sovereign cloud? EU cloud and hyperscalers compared

MAKONIS team · · 6 min read

In short: A sovereign cloud is a cloud environment in which data, operations and legal control demonstrably remain with the customer or within the EU. Three levels matter: data sovereignty (where data lives and who holds the keys), operational sovereignty (who runs the platform) and technological sovereignty (how easily you can switch).

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The three levels of sovereignty

Data sovereignty: storage in the EU, encryption with your own keys, clear access rights.

Operational sovereignty: operations and support by staff under EU law, traceable access.

Technological sovereignty: open standards such as Kubernetes and infrastructure as code so switching stays possible.

Options compared

There is no single sovereign cloud, but different models with their own strengths.

ModelControlFeature rangeTypical use
Hyperscaler with EU regionmediumvery highstandard workloads
Hyperscaler sovereignty offeringhighhighregulated industries
European cloud providerhighmediumsensitive data, AI
Private / hybrid cloudvery highdepends on designcore systems, special requirements

Why it matters more and more

Regulation such as NIS2, DORA and the EU AI Act requires traceable control over supply chains and data. At the same time many companies want to reduce dependency on single providers.

How to approach it

1. Classify data and workloads by protection needs.

2. Choose the right model for each class, often a combination.

3. Build the platform on open standards so workloads stay portable.

4. Document and regularly review operations, access and key management.

Frequently asked questions

No. Location is only one aspect. Key management, operating staff and applicable law matter too.

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