ID-01Moderate
How to Fix: User MFA Registration
Step-by-step guide to implement user mfa registration in your Microsoft 365 environment.
30-60 minutes
Estimated Time
4
Steps
critical
Severity
Recommended Secure
Baseline Level
Why This Matters
MFA blocks over 99.9% of account compromise attacks. Even with a CA policy requiring MFA, users must actually register MFA methods to be protected. Low registration means users are vulnerable.
Prerequisites
- 1Global Administrator or appropriate admin role in Microsoft Entra ID
- 2Access to Microsoft Entra admin center (entra.microsoft.com)
Expected Configuration
- 95% or more of users have MFA methods registered
- Users have registered Microsoft Authenticator, security keys, or phone
- Break-glass accounts are excluded from this metric
Remediation Steps
1
Assess Current Identity Configuration
Review your current identity settings in Microsoft Entra ID.
- •Navigate to Microsoft Entra admin center
- •Go to Identity > Users or relevant section
- •Review current configuration
2
Plan Required Changes
Determine what modifications are needed.
- •Compare current state to expected configuration
- •Identify affected users or groups
- •Plan rollout strategy
3
Apply Configuration
Implement the required identity configuration changes.
- •Update relevant settings
- •Configure policies as needed
- •Apply changes to affected scope
4
Validate Changes
Confirm the configuration meets requirements.
- •Run TrueConfig scan
- •Verify expected behavior
- •Monitor for any issues
Related Resources
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