Meet Lumo, the zero-access encrypted AI assistant by Proton that does not track or record your conversations. Ask me anything — it's confidential. Lumo gives you the benefits of AI with top privacy and security. Free to start, no account required.

End-to-end encrypted file storage from Switzerland that lets you securely back up your files on the cloud, access them anywhere, and share them with anyone.

Your data, your rules Proton provides easy-to-use encrypted email, calendar, file storage, VPN, and much more, built on the principle of your data, your rules.

Proton Pass is built by the same team of scientists who met at CERN and created Proton Mail, the world’s largest encrypted email service.