Think your password is enough?
 Think again. In this episode of Teach IT, we break down what multi-factor authentication (MFA) really is — and why it’s one of the smartest ways to secure your accounts. You’ll learn how MFA works, the difference between SMS codes, authenticator apps, biometrics, and physical security keys, and why phishing-resistant MFA matters more than ever. Whether you're an IT pro looking to share smart security tips with employees, friends, or family — or just trying to stay safe online yourself — this quick guide to MFA will help you make smarter security choices.