Open by design: How Elastic supports MOSA, the DoD's Modular Open Systems Approach

Since 2019, U.S. law has required defense acquisition programs to use the Modular Open Systems Approach (MOSA), emphasizing modularity, consensus-based open interfaces, replaceable components, and sustained competition throughout a system’s life cycle. Elastic argues that its data and analytics platform can support MOSA at the enterprise data, analytics, and command-and-control software layer by operating as a removable module built around standards such as OpenTelemetry, OCSF, STIX/TAXII, REST/JSON, SAML/OIDC, S3, and Kubernetes. The company highlights its Apache Lucene foundation, AGPL v3 licensing option for Elasticsearch and Kibana, open client libraries, exportable data, and published APIs as mechanisms intended to avoid vendor lock-in while retaining commercial subscription features. Elastic maps its platform to MOSA’s five tenets through independently deployable components, scalable clusters, deployment across FedRAMP-authorized cloud, on-premises, air-gapped, and edge environments, and reusable rules, dashboards, schemas, integrations, and skills. It also notes that program offices remain responsible for identifying key interfaces and conducting required data-rights analyses, while frameworks such as FACE, SOSA, and CMOSS apply more directly to embedded hardware domains than enterprise data platforms.

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