Multifactor authentication (MFA)

Concept

A sign-in method that requires at least two proofs of identity, for example a password plus a code or approval in an authenticator app. It blocks the vast majority of account-takeover attempts caused by stolen passwords.

Type	Concept
Also known as	MFA, Multi-factor authentication, Zwei-Faktor-Authentifizierung

Glossary

Related to

Microsoft Entra ID · Product
Conditional Access · Concept

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