• Ubuntu Linux 20+ Login Guide - Challenge Response
• YubiKey 5 Series Technical Manual
• YubiKey 5 Series Quick Start Guide
• YubiKey FIPS Series Technical Manual
• YubiKey FIPS Overview
• YubiKey Manager CLI (ykman) User Manual
• Operating system and web browser support for FIDO2
• YubiKey USB ID Values
• YubiKey Hardware FIDO2 AAGUIDs
• Enabling or Disabling Interfaces
• Swapping Yubico OTP from Slot 1 to Slot 2
• YubiKey 5.2.3 Enhancements to OpenPGP 3.4 Support
• YubiKey 5.2.3 Enhancements to FIDO 2 Support
• Understanding Core Static Password Features
• YubiKey Support on Android
• Yubico Authenticator Feature Spotlight: Favorite Credential
• Securing Cisco AnyConnect with YubiKeys
• YubiKeys for Axiad - Manual Configuration / Programming Process
• Programming YubiKeys for Okta Adaptive Multi-Factor Authentication
• Setting up U2F YubiKeys for Users in SalesForce (Administrators)
• Red Hat Linux Family Login Guide - Challenge Response
• Ubuntu Linux Login Guide - U2F
• Ubuntu 19.10 and Older Linux Login Guide - Challenge Response
• Enabling the Yubico PPA on Ubuntu
• Getting Started on iOS
• macOS Login Tool Configuration Guide
• YubiKey PIV Manager User's Guide
• Using Your YubiKey as a Smart Card in macOS
• Using Your YubiKey 4 or NEO with the Windows Hello App
• Can I Duplicate or Back Up a YubiKey?