Due to recent updates in the macOS login system, this guide is not compatible with macOS Catalina. If you are using macOS Catalina, please avoid using the macOS Logon Tool until these issues are resolved.
Provides instructions on how to use the Yubico Pluggable Authentication Module (PAM) with Challenge-Response on Mac to enable a YubiKey to protect your Mac login. Requires Mac OS X 10.10 or later, or macOS 10.12 or later.
Date Published: July, 2016
Guide Download: YubiKey Mac Operating System Login Guide
Tool Download: Computer Logon Tools