x86_64 Store your unique credential on a hardware-backed security key and take it wherever you go from mobile to desktop. No more storing sensitive secrets on your mobile phone, leaving your account vulnerable to takeovers. With the Yubico Authenticator you can raise the bar for security. Features include Secure - Hardware-backed strong two-factor authentication with secret stored on the YubiKey, not on your phone or computer Portable - Get the same set of codes across our other Yubico Authenticator apps for desktops as well as for all leading mobile platforms Flexible - Support for time-based and counter-based code generation USB or NFC usage - Insert the YubiKey into the USB port, or use the YubiKey with NFC with a mobile phone that is NFC-enabled or a desktop NFC reader to store your credential on the YubiKey Easy Setup - QR codes available from the services you wish to protect with strong authentication User Presence - Require a touch on the YubiKey sensor to generate new codes for sensitive accounts Compatible - Secure all the services currently compatible with other Authenticator apps Versatile - Support for multiple work and personal accounts