FedRAMP Compliance
CA-03High

Block or Require MFA for Risky Sign-Ins for FedRAMP Compliance

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

Meeting FedRAMP standards for Microsoft 365 involves implementing controls like CA-03 (Block or Require MFA for Risky Sign-Ins). This guide covers the specific FedRAMP requirements addressed by this control and how to achieve compliance.

How CA-03 Addresses FedRAMP Requirements

FedRAMP 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 FedRAMP compliance by ensuring proper conditional_access security in your Microsoft 365 environment.

Implementation for Compliance

To satisfy FedRAMP 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 FedRAMP 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 FedRAMP

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 FedRAMP compliance. Combined with TrueConfig's continuous monitoring, you can demonstrate ongoing adherence to FedRAMP requirements.

Ready to achieve FedRAMP compliance?

TrueConfig continuously monitors your Microsoft 365 tenant for compliance with FedRAMP requirements, including this control.