TY - RPRT TI - Protecting Controlled Unclassified Information in Nonfederal Information Systems and Organizations AU - Ross, Ronald S. AU - Dempsey, Kelley L. AU - Viscuso, Patrick AU - Riddle, Mark AU - Guissanie, Gary PY - 2015 PB - National Institute of Standards and Technology SN - NIST SP 800-171 DO - 10.6028/NIST.SP.800-171 ER -