ATO

Approval to Operate

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.


ATO

Approval to Operate

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.

Used in methodology