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Authorization to Operate

Abbreviation(s) and Synonym(s):

ATO

Definition(s):

  Authorization to Operate; One of three possible decisions concerning an issuer made by a Designated Authorizing Official after all assessment activities have been performed stating that the issuer is authorized to perform specific PIV Card and/or Derived Credential issuance services.
Source(s):
NIST SP 800-79-2 under ATO