NIST 800-53 Compliance
CA-03High

Block or Require MFA for Risky Sign-Ins for NIST 800-53 Compliance

Learn how CA-03 helps you meet NIST 800-53 requirements for Microsoft 365 and Entra ID security.

NIST 800-53 compliance requires implementing specific controls around block or require mfa for risky sign-ins. This page explains how TrueConfig's CA-03 control helps you meet NIST 800-53 requirements in your Microsoft 365 environment.

How CA-03 Addresses NIST 800-53 Requirements

NIST 800-53 requires organizations to implement controls around block or require mfa for risky sign-ins. The CA-03 control provides:

  • An Identity Protection sign-in risk policy is enabled
  • High-risk sign-ins are blocked
  • Medium-risk sign-ins require MFA

These measures directly support NIST 800-53 compliance by ensuring proper conditional_access security in your Microsoft 365 environment.

Implementation for Compliance

To satisfy NIST 800-53 requirements with this control:

  • **Enable the control** - Use TrueConfig's one-click remediation
  • **Document your implementation** - Record how the control was configured
  • **Maintain evidence** - TrueConfig automatically logs compliance status
  • **Monitor continuously** - Track any deviations from the expected state

Evidence Collection

For NIST 800-53 audits, you'll need to demonstrate:

  • Current configuration state
  • Historical compliance data
  • Remediation actions taken
  • Continuous monitoring in place

TrueConfig provides all of this evidence through its audit trail and reporting features.

Why This Control Matters for NIST 800-53

Microsoft analyzes each sign-in for anomalies (impossible travel, anonymous IP, malware-linked IPs). Risk-based policies automatically escalate protection when threats are detected, without user friction during normal access.

Implementing CA-03 is an important step toward NIST 800-53 compliance. Combined with TrueConfig's continuous monitoring, you can demonstrate ongoing adherence to NIST 800-53 requirements.

Ready to achieve NIST 800-53 compliance?

TrueConfig continuously monitors your Microsoft 365 tenant for compliance with NIST 800-53 requirements, including this control.