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illustration of Proton Mail Android client security
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  • Proton Mail
  • 製品アップデート
Our Android security model explains what our app does to secure Proton users’ data. This article outlines how we handle data and mitigate potential attacks.
Illustration of Proton Mail Bridge open source
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  • Proton Mail
  • 製品アップデート
Our Bridge app is now open source for macOS, Windows, and Linux. Find links to the code and an independent security audit report.
Illustration of the Bridge security model
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  • Proton Mail
  • 製品アップデート
You can use Proton Mail Bridge with IMAP/SMTP email clients. Here we explain the Bridge security architecture and how it protects your data.
Illustration of Proton Mail Covid-19 response
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  • Protonニュース
Proton is offering extra storage, free business email accounts, and other resources to support our community through the coronavirus pandemic.
protonmail bridge for linux
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  • Proton Mail
  • 製品アップデート
Proton Mail Linux users can now connect their email accounts with the Thunderbird client.
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  • ガイド
Email scams trying to steal data and money are rising as criminals seek to profit from the COVID-19 pandemic. Here are some common scams and how to stay safe.
Illustration of someone working from home.
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  • ビジネス向け
COVID-19 has forced companies to transition to working from home. We created a guide to help employees and administrators stay safe online.
An illustration of Zoom's attendee attention tracking.
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  • ニュース
If you’re using Zoom while working from home, you should be aware of Zoom's privacy policies, including its “attention tracking” tool.
An illustration of political campaigns sharing voter data.
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  • ガイド
Political campaigns are as driven by personal data as Google or Facebook. And these campaigns often share your data with third parties.
代替ルーティングのイラスト
  • 製品アップデート
Protonは、ユーザーがDNSブロックを回避するのに役立つ検閲対策措置を提供しています。この記事では、これらのシステムの仕組みについて説明します。
Illustration of vulnerability disclosure
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  • Proton Mail
  • 製品アップデート
This document describes the vulnerability disclosure policy our security team follows when we discover flaws in third-party products.