Proton

Privacy guides

can emails be traced
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  • Privacy guides
Email providers, ISPs, and law enforcers have ways to trace and track you through your emails. Here’s how to stay private online.
what is ciphertext
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  • Privacy guides
Learn all about ciphertext (encrypted text) and how it protects your privacy and secures online communications, including encrypted email.
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  • Privacy guides
We explain the different types of encryption for cloud storage, and why end-to-end encryption (e2ee) is the best for your files.
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  • Privacy guides
Data breaches leak millions of emails every year. Learn how to check if your email has been leaked and how you should respond.
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  • Privacy guides
Jack Crompton, an engineer on our Web Core team, explains how we've enabled data recovery without compromising your privacy.
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  • Privacy guides
Gmail makes you pay for its free account with your data and privacy. Learn how to delete your Gmail account and reclaim your privacy.
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  • Privacy guides
Your inbox contains sensitive information about your life. Here are five ways to encrypt your emails and keep them safe from third parties.
send large files securely
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  • Privacy guides
Most email services aren’t secure and limit attachment file sizes. Here’s how to send large files securely for free.
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  • Privacy guides
If you're worried about your email security, use these nine top tips to secure your messages and keep them safe.
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  • Privacy guides
Email was never designed to be secure, but you can still take steps to protect your inbox. We show you how in this article.
secure file sharing
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  • Privacy guides
Need to share sensitive files with a colleague, friend, or family member? Here’s how to ensure you share files securely.