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Wondering what multifactor authentication, sometimes known as two step verification, is? This article will explain it clearly.

MFA is a layered approach to securing data and applications where a system requires a user to present a combination of two or more credentials to verify a user’s identity for login.

Multifactor authentication (MFA) verifies a user’s identity by requiring at least two forms of proof, such as a password, fingerprint or other biometric data.

Multi-factor Authentication (MFA) is an authentication method that requires the user to provide two or more verification factors to gain access to a resource such as an application, online account, or a VPN.

Manage your Microsoft account security information and settings, including multifactor authentication.

Learn what multifactor authentication (MFA) is, how it works, and why it’s essential for protecting your accounts and data with Microsoft Security.

By setting up MFA, you add an extra layer of security to your Microsoft 365 account sign-in. For example, you first enter your password and, when prompted, you also type a dynamically generated …

Dec 11, 2025 · Multifactor authentication (also known as MFA, two-factor authentication, or 2FA) requires a second verification method for user sign-ins and improves account security.

Multifactor authentication (MFA) adds a layer of protection to the sign-in process. When accessing accounts or apps, users provide additional identity verification, such as scanning a fingerprint or …