Given the regularity of data breaches and the ubiquity of phishing schemes that aim to compromise your data, you should have multi-factor authentication (MFA) enabled on any account that offers this extra layer of security.

Proton Authenticator is a new 2FA app with encrypted sync, offline support, and no lock-in — all completely free and open source.

These one-time codes can be used instead of SMS-based verification and are meant to provide an extra layer of security during account sign-ins.Proton Authenticator doesn't rely on ads, trackers, or cloud services controlled by larger tech companies,