U.S. flag   An official website of the United States government
Dot gov

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Https

Secure .gov websites use HTTPS
A lock (Dot gov) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

    Glossary
A  |  B  |  C  |  D  |  E  |  F  |  G  |  H  |  I  |  J  |  K  |  L  |  M  |  N  |  O  |  P  |  Q  |  R  |  S  |  T  |  U  |  V  |  W  |  X  |  Y  |  Z

Interim Approval to Operate

Abbreviation(s) and Synonym(s):

IATO

Definition(s):

  Temporary authorization granted by principal accrediting authority (PAA) or authorizing official (AO) for an information system to process information based on preliminary results of a security evaluation of the system.
Source(s):
CNSSI 4009-2015 under interim approval to operate

  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 under IATO