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Glossary of Key Information Security Terms



Celia Paulsen, Robert D. Byers


This publication describes an online glossary of terms used in National Institute of Standards and Technology (NIST) and Committee on National Security Systems (CNSS) publications. This glossary utilizes a database of terms extracted from NIST Federal Information Processing Standard Publications (FIPS), the NIST Special Publication (SP) 800 series, selected NIST Interagency or Internal Reports (NISTIRs), and from the Committee for National Security Systems Instruction 4009 (CNSSI-4009).
NIST Interagency/Internal Report (NISTIR) - 7298 Rev. 3
Report Number
7298 Rev. 3


cybersecurity, definitions, glossary, information assurance, information security, terminology


Paulsen, C. and Byers, R. (2019), Glossary of Key Information Security Terms, NIST Interagency/Internal Report (NISTIR), National Institute of Standards and Technology, Gaithersburg, MD, [online], (Accessed June 22, 2024)


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Created July 2, 2019, Updated March 1, 2021