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NIST SP 800-171A Rev. 3

Assessing Security Requirements for Controlled Unclassified Information

Date Published: May 2024

Supersedes: SP 800-171A (06/13/2018)


Ron Ross (NIST), Victoria Pillitteri (NIST)



assessment; assessment method; assessment object; assessment procedure; assurance; Controlled Unclassified Information; coverage; FISMA; NIST Special Publication 800-171; NIST Special Publication 800-53A; nonfederal organization; nonfederal system; security assessment; security requirement
Control Families

Access Control; Awareness and Training; Audit and Accountability; Assessment, Authorization and Monitoring; Configuration Management; Identification and Authentication; Incident Response; Maintenance; Media Protection; Physical and Environmental Protection; Planning; Personnel Security; Risk Assessment; System and Services Acquisition; System and Communications Protection; System and Information Integrity; Supply Chain Risk Management