Home / Glossary / Two-Factor Authentication (2FA) 🛡️ Security Two-Factor Authentication (2FA) A security method requiring two different forms of verification to access an account. 📚 Deep Dive Learn Article What is Two-Factor Authentication (2FA)? The Complete Guide to Account Security Learn what two-factor authentication is, how different 2FA methods work, why it's essential for protecting your accounts, and how to set it up step by step. beginner 12 min read Back to Glossary