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  1. What is: Multifactor Authentication - Microsoft Support

    You may hear it called "Two-Step Verification" or "Multifactor Authentication" but the good ones all operate off the same principle. When you sign into the account for the first time on a new device or …

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

    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 data. MFA provides …

  3. What is Multifactor Authentication (MFA)? | Definition from …

    Feb 28, 2025 · What is multifactor authentication? Multifactor authentication (MFA) is an IT security technology that requires multiple sources of unique information from independent categories of …

  4. 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 …

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

    Multi-factor authentication, or MFA, protects your applications by using a second source of validation before granting access to users. Common examples of multi-factor authentication include personal …

  6. What is Multi-Factor Authentication (MFA) and How does it Work?

    Nov 8, 2024 · MFA stands for multi-factor authentication, and as the name suggests, multi-factor authentication (MFA) is the use of multiple factors to confirm the identity of someone who is …

  7. What Is Multi-Factor Authentication, How Does It Work, And …

    Jul 30, 2025 · Multi-factor authentication (MFA) is a security system that requires users to prove their identity using more than one factor of authentication to access accounts.

  8. Why Multi-Factor Authentication (MFA) Is Important - Okta

    Sep 2, 2024 · Multi-factor authentication is important, as it makes stealing your information harder for the average criminal. The less enticing your data, the more likely that thieves will choose someone else …

  9. 2FA vs MFA Explained: Key Differences and Which One You Need

    Dec 5, 2025 · Access authentication determines how users verify their identity before accessing organizational resources. Two-Factor Authentication (2FA) requires exactly two verification methods, …

  10. What is Multi-Factor Authentication (MFA)? | OneLogin

    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 …