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適切なウェブブラウザを使用することは、プライバシーを保護するために不可欠です。2025年にオンライン追跡からあなたを守る最も安全なウェブブラウザのオプションをご覧ください。
illustration of protonmail ios security recommendation
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Activate Touch ID, Face ID, or PIN protection in the Proton Mail iOS app for added protection against malware and warrantless device searches.
Data breach prevention illustration
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This post explains the steps you should take to prevent your data from being exposed in a breach, including using aliases and end-to-end encryption.
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Learn what PGP encryption is and how it works, how secure PGP is, and the simplest way to secure your emails with PGP encryption.
Proton Mail for Journalist
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Proton Mail supports independent journalism. Our encrypted messages let journalists protect their sources and whistleblowers safely report wrongdoing.
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In this article, we tell you how to create a strong password and the best way to keep it safe.
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A strong password doesn’t have to be 30 characters long. But if you’re using an eight-character password, you have a good chance of being hacked.
Internet privacy
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Increase your online privacy with this one-stop guide. It includes simple steps to keeping companies and hackers away from your data.
black friday scams
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We’ve done some research and put together a list of Black Friday email scams that tend to crop up around this time of year. If you know their strategies, it’s much easier to protect yourself and your online accounts.
Privacy vs security
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The NSA has long argued that surveillance is necessary for security. Here's why that argument is wrong and why privacy is a prerequisite for security.
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Tech companies are scooping up your children’s data before they are old enough to give informed consent. As a parent, you can help protect your children’s privacy online by using the right services and updating the settings on their devices