DoD DIACAP transition to RMF approved

Tom McAndrew, Chief Executive Officer, Coalfire

Welcome DIARMF!

This has been a long time coming. From DITSCAP to DIACAP and now to DIARMF the Department of Defense approved the transition to a Risk Management Framework (RMF) approach developed by NIST on March 12.

What does this mean for Information Systems and Platform Information Technology that are already authorized or in the authorization process? While there are many details affecting DoD Unified Capabilities, Cryptography Trusted Platform Module and Cybersecurity Reciprocity…the broad instruction is explained below.

What does this mean for you? NIST security controls and continuous monitoring
According to DoD Instructions 8500.01 and 8510.01, which adopts NIST developed security framework, information systems (IS) (e.g. cloud) and Platform Information Technology (PIT) seeking DoD Authority to Operate (ATO) must still be categorized with CNSS 1253. Upon categorization of the system, the appropriate security controls must be implemented using DoD-specific assignment values and overlays, implementation guidance from NIST SP 800-53 and then tested in accordance with assessment procedures from NIST SP 800-53A and any applicable Security Technical Implementation Guide (STIG).
Along with this change to an RMF there is a focus on continuous monitoring after the initial authorization is granted and will transition from the every three year assessment cycle.

RMF Transition Timelines
There are a few options to choose from base on if you currently have a DoD ATO to either start the DIARMF or transition from DIACAP to the new RMF process. This chart will help navigate the options.
DoD DIARMF transition options
The full table of Initial Transition Timeline and Instructions from the DoD Instruction 8510.01 for Authorized, undergoing assessment and not started assessment is below:
DoD DIARMF Transition chart

More information about the transition and adoption of NIST security standards can be found in this Information Week article.

Coalfire can help you further understand how the changes impact your DoD authorized system, in process assessment or plan to start a DIARMF assessment process. Contact us to discuss your questions and needs.


Tom McAndrew


Tom McAndrew — Chief Executive Officer, Coalfire

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