
Harden SSH and Git Commits with a Hardware Key (YubiKey) on macOS
What is a YubiKey? A YubiKey is a small hardware device used as a second factor of authentication. It works similarly to one-time codes sent by SMS or email - but much more securely. To authenticate, the YubiKey must be physically inserted into your computer or connected via NFC. This makes it nearly impossible for remote attackers to compromise your credentials. Getting a YubiKey The best place to buy a YubiKey is directly from Yubico . You can also buy them from trusted retailers, but always verify the device is genuine using Yubico’s verification page . ...
