Glossary Term

NIST 800-171

NIST Special Publication 800-171 provides recommended security requirements for protecting Controlled Unclassified Information (CUI) in non-federal systems.

What is NIST 800-171?

NIST Special Publication 800-171 defines 110 security requirements for protecting Controlled Unclassified Information (CUI) when it is stored, processed, or transmitted by non-federal organizations. It is a key requirement for US defense contractors and subcontractors.

Control Families

The standard organizes requirements into 14 families:

  • Access Control
  • Awareness and Training
  • Audit and Accountability
  • Configuration Management
  • Identification and Authentication
  • Incident Response
  • Maintenance
  • Media Protection
  • Personnel Security
  • Physical Protection
  • Risk Assessment
  • Security Assessment
  • System and Communications Protection
  • System and Information Integrity

Relationship to CMMC

CMMC Level 2 is directly aligned with NIST SP 800-171. Organizations that fully implement NIST 800-171 will meet the technical requirements for CMMC Level 2 certification.

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