2FA = Password Proof. Your second layer of defense against account takeovers. ✅ Step 1: Enter your password (something you know) ✅ Step 2: Verify with a code, app, hardware key, or fingerprint (something you have or are) ✅ Even if your password’s stolen, hackers can’t log in without the second factor ✅ Uses time-based one-time passwords (TOTP) or push approvals to confirm it’s you 2FA = simple powerful essential #software #computerscience #programming #code #cybersecurity | Command & Code