mfa
Multi-factor Authentication:: MFA
in plain english
Sign-in that requires more than just a password — a second factor like a phone notification, authenticator app code, or hardware key — so a stolen password alone can't get in.
official microsoft definition
An identity verification method that requires more than one form of evidence to prove identity, typically combining something you know (password) with something you have (phone, key) or something you are (biometric).
plans & eligibility
- Free baseline (Security Defaults or per-user MFA)
- Granular control via Conditional Access (Entra ID P1+)
related on aguidetocloud
/multi-factor-auth · /two-factor · /2fa
verified