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Privacy guides

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  • Privacy guides
Why open-source encryption is better for your privacy
Open-source software makes its source code available to the public. Learn how open-source encryption creates transparency and protects your privacy.
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  • Privacy guides
What is the best encryption for emails?
Whether you’re an individual or a business, using end-to-end encrypted email can help you stay secure online. Learn about email encryption in this article.
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  • Privacy guides
What is the best free email account?
Want to be sure that your personal data is safe? Here’s our guide to picking a free email account.
Illustration of email encryption
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  • Privacy guides
Why end-to-end email encryption matters
Whether you consider your emails ‘sensitive’ or not, everyone deserves email privacy. Email encryption helps to secure your privacy online.
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  • Privacy guides
Best WhatsApp alternatives for privacy
WhatsApp may be secure but it’s not private. Learn about the best alternatives to WhatsApp that genuinely respect your privacy.
Illustration of cloud storage
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  • Privacy guides
Centralized vs peer-to-peer (P2P) file storage
What are the pros and cons of a centralized vs. P2P cloud storage? Learn more about our storage model and how we protect your privacy.
  • Privacy guides
Wie du Daten auf deinen externen Festplatten und USB-Geräten sichern kannst
Flash-Laufwerke und externe Festplatten sind praktisch, aber nicht immer sicher. Wir erklären, wie du deine USB-Laufwerke verschlüsseln und deine Daten schützen kannst.
  • Privacy guides
Was ist ein TLS/SSL-Zertifikat und wie funktioniert es?
Erfahre alles über TLS/SSL-Zertifikate, die digitalen Dateien, die zur Authentifizierung und Sicherung von Datenübertragungen im Internet beitragen.
Illustration of changing email provider
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  • Privacy guides
Getting started with Proton Mail the easy way
Changing your email provider may seem as daunting as changing your name. Our tips on what to consider when making the switch and step-by-step guides make the transition gradual and painless.
An illustration of COVID-19 contact tracing apps.
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  • Privacy guides
What you need to know about contact tracing apps and privacy
Many countries are turning to contact tracing apps to fight COVID-19. These represent grave threats to privacy if they are not designed properly.
An illustration of anonymized data.
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  • Privacy guides
The truth about anonymized data
Many companies say they anonymize your data, but some don’t do it properly. Studies have shown it’s fairly easy to re-identify you from your information.