Physical area (e.g., building, room, etc.) to which only authorized personnel are granted unrestricted access. All other personnel are either escorted by authorized personnel or are under continuous surveillance. (CNSSI-4009) (NISTIR)
What is controlled access area?
The term Controlled Access Area refers to an area where physical entry is limited to authorized people and protected through access controls, monitoring, barriers, credentials, procedures, or other safeguards. It gives election, security, legal, or technical readers a specific label for the concept rather than a broader everyday meaning.
What controls are associated with controlled access area?
Controls for Controlled Access Area are selected to protect the function described by the term: an area where physical entry is limited to authorized people and protected through access controls, monitoring, barriers, credentials, procedures, or other safeguards. Depending on the context, safeguards can include access restrictions, authentication, physical security, key management, monitoring, logging, testing, configuration control, or documented handling procedures.
Why does controlled access area matter for security?
Understanding Controlled Access Area matters because the concept can affect security, reliability, auditability, or trusted operation. In this glossary context, it refers to an area where physical entry is limited to authorized people and protected through access controls, monitoring, barriers, credentials, procedures, or other safeguards.
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Physical area (e.g., building, room, etc.) to which only authorized personnel are granted unrestricted access. All other personnel are either escorted by authorized personnel or are under continuous surveillance. (CNSSI-4009) (NISTIR)
Cite this term
Election Security Glossary. (2026). Controlled Access Area. In Election Security Glossary. Retrieved August 22, 2026, from https://electionsecurityglossary.com/glossary/controlled-access-area
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