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Abbreviation(s) and Synonym(s):

None

Definition(s):

Information that does not require safeguarding or dissemination controls pursuant to Executive Order (E.O.) 13556 (Controlled Unclassified Information) and has not been determined to require protection against unauthorized disclosure pursuant to E.O. 13526 (Classified National Security Information), or any predecessor or successor Order, or the Atomic Energy Act of 1954, as amended. See controlled unclassified information (CUI), and classified national security information.
Source(s):
CNSSI 4009-2015

Glossary Comments

Comments about specific definitions should be sent to the authors of the linked Source publication. For NIST publications, an email is usually found within the document.

Comments about the glossary's presentation and functionality should be sent to secglossary@nist.gov.

See NISTIR 7298 Rev. 3 for additional details.

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Information Technology Laboratory

Computer Security Resource Center

Computer Security Resource Center

unclassified

Glossary Comments