Because Tomorrow’s Computers Shouldn’t Read Today’s Emails

Written By Daniel Zhang

The Funny Summary

Quantum computers are coming, and they’re scary-smart. So Proton basically said, “Not today,” and upgraded its encryption so your emails stay locked down even when future quantum nerds try to time‑travel back to read them. Your new messages will be protected against both today’s hackers and tomorrow’s sci‑fi villains.

The (5) Takeaways

  1. Quantum threat is real (eventually): Not dangerous today, but attackers can hoard encrypted data for later cracking.

  2. Post‑quantum encryption is live: Proton Mail now supports quantum‑resistant cryptography.

  3. Available to everyone: Free and paid Proton Mail users can enable it.

  4. Forward‑looking protection: Only new encrypted emails benefit (no retroactive re‑encryption yet).

  5. Open & interoperable: Built on OpenPGP v6 and designed to work across the broader email ecosystem.

The Long Boring Article

Reference:

https://proton.me/blog/introducing-post-quantum-encryption

Daniel Zhang
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