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

Get updates on what’s happening at the MFA, from exhibitions and programs to special events and more.

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.

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 …

What is: Multifactor Authentication When you sign into your online accounts - a process we call "authentication" - you're proving to the service that you are who you say you are. Traditionally that's …

Manage your Microsoft account settings, security, and authentication options conveniently in one place.

MFA adds layers of security beyond passwords, combining factors such as knowledge, devices, and biometrics. It protects against common attacks such as phishing, credential stuffing, and brute force.

Jul 15, 2025 · When users sign in to an application or service and receive an MFA prompt, they can choose from one of their registered forms of additional verification. Users can access My Profile to …

Strengthen your organization’s security with Microsoft Entra ID Multifactor Authentication (MFA). Protect identities, enable secure sign-in, and prevent breaches.