Computer Security Resource Center

Computer Security Resource Center

Computer Security
Resource Center

SP 800-171

Protecting Controlled Unclassified Information in Nonfederal Information Systems and Organizations

Date Published: June 2015 (Updated 9/3/2015)

Withdrawn: January 21, 2016

Superseded By: SP 800-171 (June 2015 (Updated 1/14/2016))
Supersedes: SP 800-171 (June 2015)


Ron Ross (NIST), Kelley Dempsey (NIST), Patrick Viscuso (NARA), Mark Riddle (NARA), Gary Guissanie (IDA)



Contractor Information Systems; Controlled Unclassified Information; CUI Registry; Executive Order 13556; FIPS Publication 199; FIPS Publication 200; FISMA; NIST SP 800-53; Nonfederal Information Systems; Security Control; Security Requirement; Derived Security Requirement; Security Assessment
Control Families

Access Control; Audit and Accountability; Awareness and Training; Configuration Management; Identification and Authentication; Maintenance; Media Protection; Personnel Security; Physical and Environmental Protection; System and Communications Protection; System and Information Integrity;


None available

Supplemental Material:
None available

Document History:
SP 800-171 (6/18/15)
SP 800-171 (10/1/15)