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- 製品アップデート
- Proton Mail
Get the new Proton Mail Bridge with major performance and stability
improvements, including syncing your inbox up to 10 times faster.

- プライバシーガイド
データ侵害により、毎年数百万通のメールが漏洩しています。お客様のメールが漏洩したかどうかを確認する方法と、その際の対処法について確認しましょう。

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Jack Crompton, an engineer on our Web Core team, explains how we've enabled data
recovery without compromising your privacy.

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Gmail collects your data, scans your inbox, and trains its AI. Here's how to
delete your Gmail account on desktop and Android.
en
- プライバシーニュース
AI, and ChatGPT in particular, is having a moment. We examine how AI is trained,
what it could lead to, and how it all affects your privacy.

en
Email addresses were linked to 200 million Twitter accounts. We explain how you
can recover and protect yourself from the next breach.

en
- プライバシーガイド
Your inbox contains sensitive information about your life. Here are five ways to
encrypt your emails and keep them safe from third parties.

en
- Protonニュース
Use Proton’s new side panel to easily check your calendar and manage your
contacts.

en
- プライバシーガイド
Most email services aren’t secure and limit attachment file sizes. Here’s how to
send large files securely for free.

en
- プライバシーガイド
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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Authorities claim that client-side scanning is an alternative to encryption
backdoors. In reality, it could be even worse for your privacy.