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Computer Security Resource Center

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IATO

Abbreviation(s) and Synonym(s):

Interim Approval to Operate

Definition(s):

  Interim Authorization to Operate; issued by a DAO to an issuer who is not satisfactorily performing PIV Card and/or Derived PIV Credential specified services (e.g., identity proofing/registration (if applicable)), card/token production, activation/issuance and maintenance).
Source(s):
NIST SP 800-79-2