App - Protonmail Web

Even if a hacker steals Proton’s servers, they cannot read your inbox. Why? Because your decryption keys are encrypted with your mailbox password—which Proton never stores.

But here is the secret weapon: Even if your grandma uses AOL, you can send her a secure email via the web app. Click "Encrypt for outside." Proton generates a link and a one-time passphrase. She clicks the link, enters the password (which you text her separately), and reads your message in a secure temp mailbox. She never needs a Proton account. Proton Mail vs. Gmail Web: The Feature Trade-off Let’s be honest. You lose some creature comforts. protonmail web app

For years, the golden rule of cybersecurity was simple: “If it runs in a browser, don’t trust it with sensitive data.” Browsers are leaky, extensions are malicious, and JavaScript can be exploited. Even if a hacker steals Proton’s servers, they