Secure and safe login and commits with GitLab + Yubico

What this post added

This post introduces the integration of YubiKey hardware security keys for multi-factor authentication (MFA) in GitLab, leveraging FIDO2/WebAuthn protocols. It details the setup process for users to register their YubiKeys for login and explains how YubiKeys provide phishing-resistant authentication. Additionally, it covers the configuration of GPG keys on YubiKeys for signing commits, enabling verified commits in GitLab. This enhances the security of user accounts and the integrity of code contributions.