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privileged user

Abbreviation(s) and Synonym(s):

root user
superuser

Definition(s):

  A user that is authorized (and therefore, trusted) to perform security-relevant functions that ordinary users are not authorized to perform.
Source(s):
NIST SP 800-171 Rev. 1
NIST SP 800-53 Rev. 4 under Privileged User (CNSSI 4009)

  A user that is authorized (and, therefore, trusted) to perform security-relevant functions that ordinary users are not authorized to perform.
Source(s):
CNSSI 4009-2015

  See privileged user.
Source(s):
CNSSI 4009-2015 under root user
CNSSI 4009-2015 under superuser