AC-21 Access Control

Information Sharing

Low Risk Easy Low Cost

NIST AC-21 control implementation guidance for Information Sharing. This control addresses Access Control requirements and provides comprehensive security measures.

Implementation Guidance

Implement comprehensive Access Control measures for Information Sharing. Follow NIST SP 800-53 guidelines and industry best practices for effective implementation.

Best Practices

Follow NIST guidelines, implement monitoring, regular reviews

Quick Facts

Guideline ID AC-21

Category Access Control

Risk Level Low

Difficulty Easy

Est. Cost Low

Timeframe 1-2 months

Last Updated May 27, 2026

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