Sensitive Information

Primary definition

Information, the loss, misuse, or unauthorized access to or modification of, that could adversely affect the national interest or the conduct of federal programs, or the privacy to which individuals are entitled under 5 U.S.C. Section 552a (the Privacy Act), but that has not been specifically authorized under criteria established by an Executive Order or an Act of Congress to be kept classified in the interest of national defense or foreign policy. SOURCE: SP 800-53 Information, the loss, misuse, or unauthorized access to or modification of, that could adversely affect the national interest or the conduct of federal programs, or the privacy to which individuals are entitled under 5 U.S.C. Section 552a (the Privacy Act), but that has not been specifically authorized under criteria established by an Executive Order or an Act of Congress to be kept classified in the interest of national defense or foreign policy. (Systems that are not national security systems, but contain sensitive information, are to be protected in accordance with the requirements of the Computer Security Act of 1987 [P.L.100-235].) (CNSSI-4009) (NISTIR)

Also known asSI · confidential information · private data · restricted information · classified information · protected data · PII · personally identifiable information · sensitive data
3 sources cited4 related termsReviewed Aug 9, 2026
The Cyber GlossaryView source

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TCG

Information, the loss, misuse, or unauthorized access to or modification of, that could adversely affect the national interest or the conduct of federal programs, or the privacy to which individuals are entitled under 5 U.S.C. Section 552a (the Privacy Act), but that has not been specifically authorized under criteria established by an Executive Order or an Act of Congress to be kept classified in the interest of national defense or foreign policy. SOURCE: SP 800-53 Information, the loss, misuse, or unauthorized access to or modification of, that could adversely affect the national interest or the conduct of federal programs, or the privacy to which individuals are entitled under 5 U.S.C. Section 552a (the Privacy Act), but that has not been specifically authorized under criteria established by an Executive Order or an Act of Congress to be kept classified in the interest of national defense or foreign policy. (Systems that are not national security systems, but contain sensitive information, are to be protected in accordance with the requirements of the Computer Security Act of 1987 [P.L.100-235].) (CNSSI-4009) (NISTIR)

The Cyber Glossary · 2024

Cite this term

Permanent URL · stable across revisions
Election Security Glossary. (2026). Sensitive Information. In Election Security Glossary. Retrieved August 22, 2026, from https://electionsecurityglossary.com/glossary/sensitive-information

Sources

3 cited · last checked Aug 9, 2026

01

The Cyber Glossary
The Cyber Glossary

High consensus

View source

02

CISA Election Security Resource Library
CISA Election Security Resource Library

Multi-source

View source

03

Committee on National Security Systems Glossary CNSSI 4009-2015
Committee on National Security Systems Glossary CNSSI 4009-2015

Multi-source

View source

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