DEPARTMENT OF THE ARMY
CHIEF INFORMATION OFFICER
107 ARMY PENTAGON
WASHINGTON DC 20310-0107
CS-GOV-SV-063
SAIS-CS (25-1rrrr)
31 January 2025
MEMORANDUM FOR SEE DISTRIBUTION
SUBJECT: Army Cross Domain Solution as a Service Policy
1. Purpose. Provide policy for Armywide Cross Domain Solution as a Service
(CDSaaS) utilization.
2. Definitions.
a. Cross Domain Solution (CDS): An integrated information assurance system
composed of specialized software or hardware that provides a controlled interface to
manually or automatically enable and/or restrict the access or transfer of information
between two or more security domains based on a predetermined security policy.
b. CDSaaS: A cloud computing-based solution that commercial cloud service
providers offer as a service to government tenant organizations enabling the transfer of
information across two or more different classification domains. This transfer can be
offered from High-to-Low, Low-to-High, or in any combination required to meet mission
needs.
3. Applicability.
a. This policy governs all non-intelligence security domains and applies to
Headquarters Department of the Army (HQDA) elements, Army Commands, Army
Service Component Commands, Direct Reporting Units, and Army National Guard and
Reserve components.
b. This policy applies to all Army usage, processes, and management needs for
CDSaaS services.
c. This policy is not applicable to the Joint Worldwide Intelligence Communications
System for TOP SECRET–sensitive compartmented information or special access
program systems.
d. This is not applicable to operations of on-premises, tactical or non-cARMY cloud
based CDS, to include any account outside of the Enterprise Cloud Management
Agency (ECMA) or the Cloud Governance Committee (CGC) approval.
