Controlled Unclassified Information (CUI)

CUI Category: Sensitive Security Information

Banner Marking: CUI//SP-SSI

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

How to Locate the Source Documents for CUI Authorities

Safeguarding and/or Dissemination Authority	Basic or Specified	Banner Marking	Sanctions
49 CFR 1520 (authorized by 49 USC 114(h))	Specified	CUI//SP-SSI	49 CFR 1520.17
49 CFR 15 (authorized by 49 USC 40119(b)(1))	Specified	CUI//SP-SSI	49 CFR 15.17

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