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.

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 …

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

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

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.

11 hours ago · External MFA in Microsoft Entra ID is GA, enabling integration with third-party MFA while maintaining Conditional Access and risk-based policies.

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