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User Principal Name

Abbreviation(s) and Synonym(s):

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