Certification
ATO
Authority to Operate
Definition
ATO (Authority to Operate) is the formal authorization for an IT system to operate in a federal environment. Issued by the Authorizing Official after security assessment. Required before any system goes live. Governed by NIST RMF.
Related Terms
Find ATO-related opportunities
Search active federal contracts and solicitations related to ATO on Bureauify.
100M+ government records · 300+ gov/news sources · Updated hourly