DoD Cloud Authorization To Operate (ATO) and Impact Levels (IL2, IL4, IL5, IL6) Explained
Updated 5/24/2025 with transition of the DOD Cloud Computing Security Requirements Guide (SRG) from NIST SP 800-53 Rev 4 to Rev 5. US Government and Department of Defense agencies are continuing to modernize and transform operations using modern commercial cloud computing services. A recent report on the Federal Cloud Computing Market predicts that demand for commercial cloud computing goods and services will grow to nearly $19 Billion by 2024. A significant growth market in the next 5 years is going to be the US Department of Defense propelled by the recent award of the $9 Billion Joint Warfighting Cloud Capability (JWCC) contracts to Amazon Web Services (AWS), Google Cloud, Microsoft Corporation, and Oracle. JWCC is a multiple-award contract vehicle that will provide the DoD the opportunity to acquire commercial cloud capabilities and services. Commercial Cloud Service Providers (CSP) looking to offer services to Department of Defense (DoD) components must become