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MFA in Microsoft 365: Authenticator, Passkeys, Entra ID

MFA and secure sign-in, set up right.

Multi-factor authentication, Microsoft Authenticator, passkeys, passwordless sign-in and security defaults in Microsoft 365 and Entra ID.

21MFA articles in English
21in Dutch too
21updated in 2026
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Featured: MFA

The best MFA guides to start with.
01SecurityEnable multi-factor authentication (MFA) in Microsoft 365Turn on MFA in Microsoft 365 with security defaults or Conditional Access. Registering the Authenticator app and mandatory… 02SecurityWhat is Multi-Factor Authentication (MFA)?MFA explained: the three kinds of factors, which methods are safest, why it matters and how to turn it on. 03SecuritySecurity defaults in Microsoft Entra ID: what they do and how to enable themWhat security defaults in Microsoft Entra ID (formerly Azure AD) do, who they are for, how to turn them on or off, and when… 04Microsoft 365Five reasons to start with Microsoft 365 Business PremiumOffice, collaboration, Intune, Conditional Access and Defender in one: five reasons Business Premium is often the best… 05SecurityLimit access to documents on unmanaged devicesLimit SharePoint and OneDrive on unmanaged devices to browser-only access, using the SharePoint admin center and Conditional… 06SecurityThe ten most important security measures for remote workMFA, Conditional Access, Intune, BitLocker, Defender and more: ten measures for working safely from home with Microsoft 365. 07SecurityThe three most important reasons to enable MFAStolen passwords, one account that opens everything and demands from customers and regulators: three reasons to turn on MFA,… 08Microsoft 36515 steps to build a digital workplace with Microsoft 365Build a secure digital workplace with Microsoft 365: Autopilot, Intune, Teams, OneDrive, MFA, Defender and Purview in 15… 09SecurityUse your personal Microsoft account without a passwordRemove the password from your personal Microsoft account and sign in with Authenticator, Windows Hello or a passkey. 10SecuritySign in to iCloud.com with a passkey in any browserSign in to iCloud.com without a password in any browser: scan the QR code with your iPhone and confirm with Face ID or Touch… 11Microsoft 365Microsoft 365 starter guide: sign in, apps, email and securityNew Microsoft 365 account? How to sign in, open your email, install the apps and secure your account with MFA. 12SecurityMake users change their password automatically when at riskMake high-risk users in Microsoft Entra ID choose a secure new password right away with Conditional Access and ID Protection.

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