A security level is
|“||[t]he combination of a hierarchical classification and a set of nonhierarchical categories that represents the sensitivity of information.||”|
|“||[a] clearance and a set of designators of special access approval or a classification and a set of such designators, the former applying to a user, the latter applying, for example, to a computer object.||”|
- Department of Defense, National Computer Security Center, Glossary of Computer Security Terms (NCSC-TG-004, Ver. 1) (Oct. 21, 1988).
- Glossary of Security Terms, Definitions, and Acronyms, at 218-19.