NIST 800-171 Rev. 2: The National Institute of Standards and Technology Special Publication 800-171 provides agencies with recommended security requirements for protecting the confidentiality of Controlled Unclassified Information (CUI) when resident in Non-Federal Information Systems and Organizations. There are over one hundred security requirements in the NIST; this document is summary in nature and not an exhaustive list. See the NIST for complete details.
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