Authenticator directory

Yubico Authenticator

A hardware-backed authenticator that stores TOTP secrets on compatible YubiKeys.

free hardware-backed active Reviewed 2026-05-13

What it is best for

  • high-risk accounts
  • hardware key users
  • phishing-resistant upgrade path

Privacy and recovery notes

Strong separation model, but you must plan spare keys and recovery before losing hardware.

Platform support

iosandroidwindowsmacoslinux