NIST SP 800-171 CUI Protection Center
Study this CUI requirement family as a connected set of implementation decisions, evidence expectations, and assessment procedures.
CUI requirement family
Use this family as a planning boundary, but assess every applicable requirement against the real CUI system boundary, inherited services, organization-defined parameters, and operational evidence.
Family catalog
Withdrawn records remain available and link to the requirements where their intent was incorporated or addressed.
A facility can include one or more physical locations containing systems or system components that process, store, or transmit CUI. Physical access authorizations apply to employees and visitors. Individuals with permanent physical access authorization credentials are not considered visitors. Authorization credentials include identification badges, identification cards, and smart cards. Organizations determine the st
A facility can include one or more physical locations containing systems or system components that process, store, or transmit CUI. Physical access monitoring includes publicly accessible areas within organizational facilities. Examples of physical access monitoring include guards, video surveillance equipment (i.e., cameras), and sensor devices. Reviewing physical access logs can help to identify suspicious activiti
Withdrawn NIST SP 800-171 Rev. 3 requirement 03.10.03; use the recorded replacement relationships.
Withdrawn NIST SP 800-171 Rev. 3 requirement 03.10.04; use the recorded replacement relationships.
Withdrawn NIST SP 800-171 Rev. 3 requirement 03.10.05; use the recorded replacement relationships.
Alternate work sites include the private residences of employees or other facilities designated by the organization. Alternate work sites can provide readily available alternate locations during contingency operations. Organizations can define different security requirements for specific alternate work sites or types of sites, depending on the work-related activities conducted at the sites. Assessing the effectivenes
This requirement addresses physical locations containing systems or system components that process, store, or transmit CUI. Organizations determine the types of guards needed, including professional security staff or administrative staff. Physical access devices include keys, locks, combinations, biometric readers, and card readers. Physical access control systems comply with applicable laws, Executive Orders, direct
Safeguarding measures applied to system distribution and transmission lines prevent accidental damage, disruption, and physical tampering. Such measures may also be necessary to prevent eavesdropping or the modification of unencrypted transmissions. Safeguarding measures used to control physical access to system distribution and transmission lines include disconnected or locked spare jacks, locked wiring closets, cab
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