Defined term
Interim Approval to Test (iatt)
Interim Approval to Test (iatt): Temporary authorization to test an information system in a specified operational information environment within the time…
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Cybersecurity
Definition
Temporary authorization to test an information system in a specified operational information environment within the time frame and under the conditions or constraints enumerated in the written authorization. (CNSSI-4009) (NISTIR)
Sources
1
The Cyber Glossary
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