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Box vs. Tresorit – The difference lies in who holds the keys

In the cloud, all data is encrypted. The only question that matters is: Who has control?

While Box manages keys for you, Tresorit gives exclusive control to you.

Discover why true Zero-Knowledge architecture is the only defense against unauthorized access.

Box-vs-Tresorit_HERO

Quick comparison overview

Box

Collaboration-first architecture

Designed for workflows and integration 

Box is built to support collaboration, automation, and integrations across teams and systems.

To enable features like previews, search, and AI-driven workflows, files are processed within the platform – prioritizing functionality over strict confidentiality, meaning data may be handled in readable form under certain conditions.

Tresorit

Privacy-first architecture

Security enforced by design

Tresorit encrypts files directly on the user’s device before upload. The data is sealed before it reaches the cloud – only encrypted, unreadable data is ever transmitted. This approach relies on cryptography rather than trust in the provider.

With exclusive key ownership, access is technically restricted – ensuring that sensitive information remains protected regardless of platform-level processing or external factors.

The questions that define your data security

Group 47313BoxEnterprise content management platform
Group 47304TresoritSecurity-first cloud storage
    • Who can read my files?
      Box & third parties. Since Box holds the keys, technical access is possible.
      Only You. No one but you holds the key. Tresorit is "blind" to your data.
    • Who owns the control?
      The Provider. Key management is centralized by Box.
      The User. Total Zero-Knowledge control stays with you.
    • Which law applies?
      US Law. Subject to the Cloud Act (Global government access).
      Swiss Law. The world’s strictest data privacy protections.
    • How is security guaranteed?
      By Contracts. You must trust the provider’s policies and staff.
      By Mathematics. The architecture technically enforces privacy.

FAQ

Yes. Tresorit uses zero-knowledge end-to-end encryption, meaning files are encrypted on the user’s device and remain inaccessible to the provider. Only authorized users can access the data.

Box relies on server-side encryption, which enables features like search and previews but requires data to be processed within the platform. As a result, data may be handled in readable form under certain conditions.

For sensitive or regulated data, this architectural difference is critical.

No. Tresorit is designed to enable secure collaboration, file sharing, and efficient workflows – without exposing your data.

Features that require server-side data processing, such as full-text indexing or AI-driven previews, are intentionally not part of the model. Instead, Tresorit ensures that your data remains encrypted and inaccessible at all times.

This approach prioritizes data protection and control, ensuring that productivity does not come at the cost of confidentiality.

Yes. Tresorit is fully GDPR compliant and built on privacy by design principles.

With end-to-end encryption and user-controlled keys, data remains inaccessible to the provider—supporting strict requirements for confidentiality and access control. This makes Tresorit well-suited for organizations in regulated environments.

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See how Tresorit works

Watch our product experts showcase the power of Tresorit SecureCloud and Tresorit Engage in short, impactful demo videos.

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