Approval to Operate

nounid 1513·updated May 9, 2026

candidate

GlossaryL1 — what DictionaryL2 — how used ThesaurusL3 — relations Universaleverything

The official management decision issued by a DAA or PAA to authorize operation of an information system and to explicitly accept the residual risk to agency operations (including mission, functions, image, or reputation), agency assets, or individuals.

MWE

Classifications

per-axis with provenance

Entity Type

Artifact85%llm-generatedllm:claude-haiku-4-5

Sensitivity

Regulated90%llm-generatedllm:claude-haiku-4-5

Information Class

Cui75%llm-generatedllm:claude-haiku-4-5

Variants

4 surface forms

acronym: ATO
plural: Approval to Operates
possessive: Approval to Operate's
pluralpossessive: Approval to Operates'

Framework definitions

2 senses across 2 frameworks

NISTIR 7298: Glossary of Key Information Security Terms, Revision 21 senseview framework →

§1: The official management decision issued by a DAA or PAA to authorize operation of an information system and to explicitly accept the residual risk to agency operations (including mission, functions, image, or reputation), agency assets, or individuals.

CNSSI-4009 (Glossary of Information Assurance Terms)1 senseview framework →

§1: The official management decision issued by a DAA or PAA to authorize operation of an information system and to explicitly accept the residual risk to agency operations (including mission, functions, image, or reputation), agency assets, or individuals.

Outgoing relationships

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Incoming relationships

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