Controlled Unclassified Information (CUI)

Registry: Critical Infrastructure-Physical Security

Critical Infrastructure-Physical Security

Category-Subcategory Practices

Category-Subcategory: Critical Infrastructure-Physical Security
Category Description:

Systems and assets, whether physical or virtual, so vital that the incapacity or destruction of such may have a debilitating impact on the security, economy, public health or safety, environment, or any combination of these matters, across any Federal, State, regional, territorial, or local jurisdiction.

Subcategory Description: Related to protection of federal buildings, grounds or property.
Short Marking: PHYS
Designating Authorization: All agencies may designate
Category-Subcategory Type:

Specified - Safeguarding and/or Marking and/or Dissemination measures that differ from standard CUI guidelines are required by statute, regulation, or government-wide policy.

Marking and Handling Instructions:
  • Reference the CUI Marking Handbook for instructions on format and placement of marking.
  • Reference CUI Supplemental Guidance for instructions on Safeguarding, Marking and Dissemination practices.
  • Reference individual Safeguarding and Dissemination authorities for instructions on Specified handling practices, if applicable.
  • Users are reminded to reference agency policy regarding agency-specific guidelines for CUI.

Select Safeguarding/Dissemination or Sanction Authority to view statutory/regulatory language in a new window.
Authority links are updated based on regular re-publication of the United States Code and Code of Federal Regulations.

Safeguarding and/or Dissemination Authority
An asterisk (*) indicates that the authority defines Specified handling measures
GSA Order PBS 3490.1A*
The Risk Management Process for Federal Facilities: An Interagency Security Committee Standard - August 2013 1st Edition (promulgated under Executive Order 12977, as modified by Executive Order 13286)