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Sensitive But Unclassified


Sensitive But Unclassified (SBU) is a designation of information in the United States federal government that, though unclassified, often requires strict controls over its distribution. SBU is a broad category of information that includes material covered by such designations as For Official Use Only (FOUO), Law Enforcement Sensitive (LES), Sensitive Homeland Security Information, Sensitive Security Information (SSI), Critical Infrastructure Information (CII), etc. It also includes Internal Revenue Service materials like individual tax records, systems information, and enforcement procedures. Some categories of SBU information have authority in statute or regulation (e.g. SSI, CII) while others, including FOUO, do not.

Sensitive Security Information (SSI) is a category of sensitive but unclassified information under the United States government's information sharing and control rules, often used by TSA and CBP. SSI is information obtained in the conduct of security activities whose public disclosure would, in the judgement of specified government agencies, harm transportation security, be an unwarranted invasion of privacy, or reveal trade secrets or privileged or confidential information.

UNCLASSIFIED/FOUO is primarily a Department of Defense phrase/acronym, used for documents or products which contain material which is exempt from release under the Freedom of Information Act. It is treated as confidential, which means it cannot be discarded in the open trash, made available to the general public, or posted on an uncontrolled website. It can, however, be shared with individuals with a need to know the content, while still under the control of the individual possessing the document or product.


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