Distinguished Name (dn)

Primary definition

An identifier that uniquely represents an object in the X.500 directory information tree. Source: IETF RFC 4949 Ver 2

Also known asDN · X.500 Distinguished Name · Directory Name
2 sources cited4 related termsReviewed Aug 9, 2026
Committee on National Security Systems Glossary CNSSI 4009-2015View source
People also ask

What is distinguished name dn?

The term Distinguished Name Dn refers to a standardized name in a directory or certificate system that uniquely identifies an entity through an ordered set of attributes, commonly abbreviated DN. It gives election, security, legal, or technical readers a specific label for the concept rather than a broader everyday meaning.

How is distinguished name dn used in cryptography or COMSEC?

In practice, Distinguished Name Dn is applied to the technical or security purpose captured by its definition: a standardized name in a directory or certificate system that uniquely identifies an entity through an ordered set of attributes, commonly abbreviated DN. Organizations combine that function with documented procedures, authorized access, testing, monitoring, and controls appropriate to the system.

Why does distinguished name dn need security controls?

Understanding Distinguished Name Dn matters because the concept can affect security, reliability, auditability, or trusted operation. In this glossary context, it refers to a standardized name in a directory or certificate system that uniquely identifies an entity through an ordered set of attributes, commonly abbreviated DN.

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CNSSGC

An identifier that uniquely represents an object in the X.500 directory information tree. Source: IETF RFC 4949 Ver 2

Committee on National Security Systems Glossary CNSSI 4009-2015 · 2024

Cite this term

Permanent URL · stable across revisions
Election Security Glossary. (2026). Distinguished Name (dn). In Election Security Glossary. Retrieved August 20, 2026, from https://electionsecurityglossary.com/glossary/distinguished-name-dn

Sources

2 cited · last checked Aug 9, 2026

01

Committee on National Security Systems Glossary CNSSI 4009-2015
Committee on National Security Systems Glossary CNSSI 4009-2015

High consensus

View source

02

The Cyber Glossary
The Cyber Glossary

Disputed

View source

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