Save 38% on advanced digital protection
Enhance your YubiKey setup with Proton's encrypted suite: secure email, calendar, cloud storage, password manager, and VPN – all at a special discount.
30-day money-back guarantee
Where hardware security meets privacy protection
Your YubiKey provides powerful physical authentication: even if your passwords are stolen, attackers stay locked out.
Pair it with Proton's end-to-end encryption, and you get layered defense that dramatically reduces breach risks and keeps your private information truly private.
What’s possible with Proton Unlimited
Proton Unlimited brings together everything you need in one powerful subscription. When paired with your YubiKey, you unlock seamless, end-to-end protection for your digital life.
Communicate privately
Defeat spam, tracking, and ads with end-to-end encrypted email and a secure calendar.
Connect with freedom
Browse privately and access content from more than 120 countries with a secure, fast VPN.
Protect your files and photos
Store and share important files, folders, and memories with end-to-end encrypted cloud storage.
Create and collaborate securely
Write freely and organize sensitive data with online editors for documents and spreadsheets.
Defend your online accounts
Generate and store strong passwords, back up your credentials, and autofill logins.
Over 100 million people and businesses choose Proton to protect their data
Committed to digital freedom
Privacy isn’t just something we talk about; it’s the reason Proton was created.
Encrypted by default
End-to-end and zero-access encryption ensure that not even we can access your data.
No ads or sharing of your data
We believe in people before profit and never access, share, or sell your information.
Protected by European laws
Your data stays under the protection of some of the world’s strongest privacy laws.
Easy to switch
Import your data from Google, Outlook, or other services in a few clicks.
Trustworthy and transparent
All our apps are open source and independently audited by security experts.
Proton’s open-source philosophy is also a huge asset to the company. By making their apps transparent and offering bug bounties, they stay ahead of security threats.
What started as ProtonMail, now the world’s largest encrypted email service, has blossomed into an ecosystem of privacy-centric products... the vanguard of a movement that puts user privacy first.
Because of its transparent, open-source apps and strong commitment to privacy, Proton Unlimited could be a great alternative to Google Suite.
Get 38% off Proton Unlimited
Pair your YubiKey with Proton for multi-layered defense against modern threats.
Frequently asked questions
- What benefits does the Yubico-Proton partnership provide for Yubico customers?
- How can I claim the Proton Unlimited offer through Yubico?
- What’s included in the Proton Unlimited plan?
- Can existing Proton users claim this offer?