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CUI Category: Sensitive Security Information

Category Description: As defined in 49 C.F.R. Part 15.5, Sensitive Security Information is information obtained or developed in the conduct of security activities, including research and development, the disclosure of which DOT has determined would constitute an unwarranted invasion of privacy, reveal trade secrets or privileged or confidential information, or be detrimental to transportation safety. As defined in 49 C.F.R. Part 1520.5, Sensitive Security Information is information obtained or developed in the conduct of security activities, including research and development, the disclosure of which DHS/TSA has determined would, among other things, be detrimental to the security of transportation.
Category Marking: SSI
Banner Format and Marking Notes:
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Banner Format:

CUI//Category Marking//Limited Dissemination Control

 

Marking Notes:

  • Category Marking is optional when marking Basic CUI unless required by agency policy. Example: CUI//Limited Dissemination Control
  • Category Marking preceded by "SP-" is required when marking Specified CUI. Example: CUI//SP-Category Marking//Limited Dissemination Control
  • Whether CUI is Basic or Specified is determined by the applicable Safeguarding and/or Dissemination Authority for a given instance of CUI.
  • Separate multiple Category Markings by a single forward slash (/) and list Category Markings alphabetically. Example: CUI//Category Marking A/Category Marking B//Limited Dissemination Control
  • Category Markings for Specified CUI precede Category Markings for Basic CUI. Example: CUI//SP-Category Marking/Category Marking//Limited Dissemination Control
  • Separate multiple Limited Dissemination Controls by a single forward slash (/). Example: CUI//Category Marking//Limited Dissemination Control/Limited Dissemination Control
  • Reference 32 CFR 2002.20, CUI Marking Handbook, Limited Dissemination Controls and individual agency policy for additional and specific marking guidelines.

 

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Notes for Safeguarding, Dissemination and Sanction Authorities:

  • CUI Specified authorities include specific handling practices that differ from general CUI requirements. For Specified authorities, reference individual Safeguarding/Dissemination control citations for distinct requirements
  • Whether CUI is Basic or Specified is determined by the applicable Safeguarding and/or Dissemination Authority for that CUI.
  • Each "Safeguarding and/or Dissemination Authority" citation links to the statute, regulation or government-wide policy authorizing the control of that information as CUI.
  • Each "Sanctions" authority links to the statute, regulation or government-wide policy that includes penalties for CUI misuse of CUI for the associated "Safeguarding and/or Dissemination Authority" on the same line.
Safeguarding and/or Dissemination Authority Basic or
Specified		 Sanctions
49 CFR 1520 (authorized by 49 USC 114(h)) Specified 49 CFR 1520.17
49 CFR 15 (authorized by 49 USC 40119(b)(1))  Specified 49 CFR 15.17

 

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Authority links are updated based on regular re-publication of the United States Code and Code of Federal Regulations, and the CUI Registry maintenance schedule.

 

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