User Principal Name

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Abbreviation(s) and Synonym(s):

UPN

NIST SP 1800-12c, NIST SP 1800-16B, NIST SP 1800-16D, NIST SP 1800-21B, NIST SP 1800-4c, NISTIR 8347

Definition(s):

In Windows Active Directory, this is the name of a system user in email address format, i.e., a concatenation of username, the “@” symbol, and domain name.
Source(s):
NIST SP 1800-16B
NIST SP 1800-16C
NIST SP 1800-16D

Glossary Comments

Comments about specific definitions should be sent to the authors of the linked Source publication. For NIST publications, an email is usually found within the document.

Comments about the glossary's presentation and functionality should be sent to secglossary@nist.gov.

See NISTIR 7298 Rev. 3 for additional details.