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Search Search CSRC MENU Search Search Projects Publications Expand or Collapse Drafts for Public Comment All Public Drafts Final Pubs FIPS (standards) Special Publications (SP s ) IR (interagency/internal reports) CSWP (cybersecurity white papers) ITL Bulletins Project Descriptions Journal Articles Conference Papers Books Topics Expand or Collapse Security & Privacy Applications Technologies Sectors Laws & Regulations Activities & Products News & Updates Events Glossary About CSRC Expand or Collapse Computer Security Division Cryptographic Technology Software Security Group Hardware Security Group Security Engineering and Risk Management Applied Cybersecurity Division Cybersecurity and Privacy Applications National Cybersecurity Center of Excellence (NCCoE) National Initiative for Cybersecurity Education (NICE) Contact Us Information Technology Laboratory Computer Security Resource Center Publications NIST SP 800-171A Rev. 3 Assessing Security Requirements for Controlled Unclassified Information Share to Facebook Share to X Share to LinkedIn Share ia Email Documentation Topics Date Published: May 2024 Supersedes: SP 800-171A (06/13/2018) Planning Note ( 06/25/2024 ): Now available: an HTML version of SP 800-171Ar3. Author(s) Ron Ross (NIST) , Victoria Pillitteri (NIST) Abstract The protection of Controlled Unclassified Information (CUI) is of paramount importance to federal agencies and can directly impact the ability of the Federal Government to successfully conduct its essential missions and functions. This publication provides organizations with assessment procedures and a methodology that can be used to conduct assessments of the security requirements in NIST Special Publication 800-171, Protecting Controlled Unclassified Information in Nonfederal Systems and Organizations . The assessment procedures are flexible and can be customized to the needs of organizations and assessors. Assessments can be conducted as independent, third-party assessments or as government-sponsored assessments. The assessments can be applied with various degrees of rigor based on customer-defined depth and coverage attributes. The protection of Controlled Unclassified Information (CUI) is of paramount importance to federal agencies and can directly impact the ability of the Federal Government to successfully conduct its essential missions and functions. This publication provides organizations with assessment procedures... See full abstract The protection of Controlled Unclassified Information (CUI) is of paramount importance to federal agencies and can directly impact the ability of the Federal Government to successfully conduct its essential missions and functions. This publication provides organizations with assessment procedures and a methodology that can be used to conduct assessments of the security requirements in NIST Special Publication 800-171, Protecting Controlled Unclassified Information in Nonfederal Systems and Organizations . The assessment procedures are flexible and can be customized to the needs of organizations and assessors. Assessments can be conducted as independent, third-party assessments or as government-sponsored assessments. The assessments can be applied with various degrees of rigor based on customer-defined depth and coverage attributes. Hide full abstract Keywords 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 Documentation Publication: https://doi.org/10.6028/NIST.SP.800-171Ar3 Download URL HTML Supplemental Material: FAQ (pdf) 800-171Ar3 Dataset on CPRT Protecting CUI homepage Publication Parts: SP 800-171 Rev. 3 Related NIST Publications: SP 800-172A Rev. 3 SP 800-172 Rev. 3 Document History: 11/09/23: SP 800-171A Rev. 3 (Draft) 05/14/24: SP 800-171A Rev. 3 (Final) Topics Security and Privacy audit & accountability , awareness training & education , controls assessment , maintenance , security controls , threats Laws and Regulations Federal Acquisition Regulation , Federal Information Security Modernization Act HEADQUARTERS 100 Bureau Drive Gaithersburg, MD 20899 X (link is external) facebook (link is external) linkedin (link is external) instagram (link is external) youtube (link is external) rss govdelivery (link is external) Want updates about CSRC and our publications? 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