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  1. What is: Multifactor Authentication - Microsoft Support

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

  2. Multi-factor authentication - Wikipedia

    Multi-factor authentication (MFA), also known as two-factor authentication (2FA), is an electronic authentication method in which a user is granted access to a website or application only after …

  3. Multifactor Authentication | Cybersecurity and Infrastructure Security ...

    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.

  4. What is multi-factor authentication (MFA)? - Cisco

    Multi-factor authentication, or MFA, is a security process that helps verify users' identities before letting them access networks or online applications.

  5. What is MFA (multifactor authentication)? - IBM

    What is MFA? Multifactor authentication (MFA) is a way to verify a user’s identity by requiring at least two distinct forms of proof, such as an online account password and a fingerprint or other biometric …

  6. What is Multifactor Authentication (MFA)? | Definition from TechTarget

    Feb 28, 2025 · Learn what multifactor authentication is, how it works and the different methods. Examine its pros and cons and best practices for implementing MFA.

  7. What is multi-factor authentication (MFA)? | Cloudflare

    Multi-factor authentication, or MFA, is a way to verify user identity that is more secure than the classic username-password combination. MFA usually incorporates a password, but it also incorporates one …

  8. What is Multifactor Authentication (MFA) and Why Should You Use It?

    Multifactor authentication, often called MFA, is a security feature that requires you to verify your identity in multiple ways before accessing an account. You might also hear it called two-factor authentication …

  9. What is Multi-Factor Authentication? - MFA Explained - AWS

    Multi-factor authentication (MFA) is a multi-step account login process that requires users to enter more information than just a password. For example, along with the password, users might be asked to …

  10. Set up multifactor authentication for users - Microsoft 365 admin

    Dec 11, 2025 · Learn how to set up multifactor authentication (also known as MFA, two-factor authentication, or 2FA) in your Microsoft 365 organization.