An area, room, or space that, when staffed, must be occupied by two or more appropriately cleared individuals who remain within sight of each other. See two-person integrity (TPI). Source: CNSSI No. 4005 (COMSEC); NSA/CSS Manual Number 3-16 (COMSEC)
What does NLZ mean?
The term No-Lone Zone (NLZ) refers to a protected area where no individual is permitted to be alone, requiring at least two authorized people to be present for specified sensitive activities. 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 No-Lone zone (NLZ)?
Controls for No-Lone Zone (NLZ) are selected to protect the function described by the term: a protected area where no individual is permitted to be alone, requiring at least two authorized people to be present for specified sensitive activities. Depending on the context, safeguards can include access restrictions, authentication, physical security, key management, monitoring, logging, testing, configuration control.
Why does No-Lone zone (NLZ) matter for security?
Understanding No-Lone Zone (NLZ) matters because the concept can affect security, reliability, auditability, or trusted operation. In this glossary context, it refers to a protected area where no individual is permitted to be alone, requiring at least two authorized people to be present for specified sensitive activities.
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An area, room, or space that, when staffed, must be occupied by two or more appropriately cleared individuals who remain within sight of each other. See two-person integrity (TPI). Source: CNSSI No. 4005 (COMSEC); NSA/CSS Manual Number 3-16 (COMSEC)
Cite this term
Election Security Glossary. (2026). No Lone Zone (nlz). In Election Security Glossary. Retrieved August 21, 2026, from https://electionsecurityglossary.com/glossary/no-lone-zone-nlz
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