A man in a modern office holds a tablet and smiles - a glowing lock symbol emphasizes his data sovereignty and security.

Secure data sovereignty - how to really keep control of your files

A recent case shows that even well-known providers such as Wetransfer are trying to tacitly secure rights to user data - even for AI training. Find out how you can protect yourself against this, which criteria really count and which solution works in practice.

Your data, your decision - act now instead of regretting later

Control over your data is no longer a matter of course. The most recent example: Wetransfer attempted to secure extensive rights to uploaded files - including use for AI training - by updating its terms and conditions. The company only backed down after massive public pressure and criticism from the trade press (source: heise.de).

This shows clearly:

  • Such changes often happen without direct notice
  • Many users don't even notice them
  • The trend is clearly moving towards more control by providers instead of by you

Danger from overseas: the US Cloud Act

Even if your data is stored in Europe, the US Cloud Act Granting US authorities access - if the provider is subject to US law. This also applies without your knowledge.

Risk factors:

  • US companies or their subsidiaries
  • Cloud services with US infrastructure
  • International groups based in the USA, also with EU servers

So the storage location alone does not protect you - you also need to know the legal situation of the provider.

Data sovereignty checklist

  • Location: Company headquarters in the EU, no US parent company
  • Conditions: No hidden rights in the GTC
  • Security: Encryption, access protection, certified compliance
  • Transparency: Open communication in the event of changes
  • Exit strategy: Clear processes for data transfer

The biggest traps for your data sovereignty

Pay particular attention to these risks:

  • Hidden clauses in general terms and conditions that grant far-reaching rights of use
  • Data transfer to third countries without your consent
  • Cloud Act risk with US providers
  • Non-transparent security measures without clear encryption standards
  • Lack of exit strategies when switching providers

Tip: Check the general terms and conditions of your providers regularly. Changes are often made without direct notification.

FAQ: Frequently asked questions about data sovereignty

1. does "storage in the EU" automatically mean security from the US Cloud Act?
No. If the provider is subject to US law, the Cloud Act can still apply - regardless of the storage location.

2. do I really have to read the GTC in full?
Yes, especially with cloud and file services, relevant clauses can often be found in the small print.

3. are there safe US providers?
In practice, hardly at all when it comes to absolute data sovereignty. EU providers without a US connection are the better choice.

Practical example: doubleSlash Business Filemanager

The doubleSlash Business Filemanager fulfills all criteria for maximum data sovereignty:

  • SaaS with hosting in Germany & OnPremise possible
  • Storage & processing exclusively in the EU for SaaS
  • You have 100% ownership of your data
  • High security standards for maximum compliance
  • No Cloud Act risks due to US connection
  • Clear, transparent terms of use

Reading tip: Blog article on secure data transfers

Data sovereignty is no coincidence - it is a decision

If you wait, you risk the gradual loss of your own data control. Consciously choose providers who ensure that your data stays with you legally, technically and organizationally. Your data belongs to you and it should stay that way.

Timo Scherer

About ME

Timo Scherer studied business informatics (M.Sc.) and has been working as an IT consultant at doubleSlash since 2022. He is also Product Manager for the data transfer tool Business File Manager (BFM) and actively drives its further development. The focus is on user-centered product design, IT design and requirements management. He also brings in-depth expertise and experience in test management and quality assurance.

All contributions from Timo Scherer

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