Proton

Privacy guides

What is the CAN-SPAM Act?
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  • Privacy guides
Know your rights under the US CAN-SPAM Act to help you identify and beat spam and comply if you send marketing emails.
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  • Privacy guides
CAPTCHAs perform a vital function, protecting websites from automated bots that can create fake accounts or DDoS attacks.
How to stop spam emails
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  • Privacy guides
Learn how to beat annoying and potentially harmful spam and keep your email private and secure with Proton Mail.
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  • Privacy guides
There are two easy ways to password protect an Excel file. This article explains how to encrypt files in Excel or using encrypted cloud storage.
What is email security?
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  • Privacy guides
Learn about email security, types of email attacks, and 10 tips to secure your mailbox against common cyberthreats.
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  • Privacy guides
Your email address is an identifier tech giants use to track you and exploit your personal data. Learn how to protect yours.
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  • Privacy guides
Cloud storage and physical storage options have advantages and disadvantages. Learn more about each one.
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  • Privacy guides
Google claims privacy should be available to everyone. But this claim requires a new definition of privacy that doesn’t hold up to scrutiny.
What is data privacy?
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  • Privacy guides
Data privacy means protecting your personal data from those who shouldn’t have access. Learn how to protect yours.
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  • Privacy guides
What are the security issues in cloud computing? Learn about the risks of cloud storage and how to protect your data.
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  • Privacy guides
We explain how the dark web actually works and how you can access it safely.