2FA via Authenticator - Now Fully Rolled Out! - Announcements

Secure Your Users' Identity Unit

Google Authenticator can now sync 2FA codes to the cloud

Configuring two-factor authentication - GitHub Docs

Palantir, FIDO2 secure implementation rollout

What Is Two Step Verification & How Does It Work?

Researchers warn against Google Authenticator feature - Android Authority

What is Two-Factor Authentication (2FA) and How Does it Work?

Google to Auto-Enroll More Users in Two-Factor Authentication, Citing Decrease In Hacks

Using two-factor authentication – Zendesk help

2FA via Authenticator - Now Fully Rolled Out! - Announcements - Developer Forum