1. Designation applied to encrypted information and the information systems, the associated areas, circuits, components, and equipment processing that information. See also RED. Note: Includes BLACK data. Source: CNSSI No. 4005 (COMSEC) 2. Designation applied to information systems, and to associated areas, circuits, components, and equipment, in which national security information is encrypted or is not processed. Source: CNSSAM TEMPEST/01-13; NSTISSI No. 7002 (adapted)
Understand more election terms clearly
Get one important election term explained each week, with authoritative sources, practical context and related definitions.
1. Designation applied to encrypted information and the information systems, the associated areas, circuits, components, and equipment processing that information. See also RED. Note: Includes BLACK data. Source: CNSSI No. 4005 (COMSEC) 2. Designation applied to information systems, and to associated areas, circuits, components, and equipment, in which national security information is encrypted or is not processed. Source: CNSSAM TEMPEST/01-13; NSTISSI No. 7002 (adapted)
Cite this term
Election Security Glossary. (2026). Black. In Election Security Glossary. Retrieved August 21, 2026, from https://electionsecurityglossary.com/glossary/black
Sources
01
High consensus
02
Multi-source
Get the weekly election term
Receive one cited, source-backed election explanation in your inbox each week.