
Jason Reimer enhanced the ocsf-schema repository by delivering two schema-level features focused on compliance and evidence data modeling. He realigned compliance findings metadata to CIS and DISA standards, introducing new checks and deprecating outdated terms to improve clarity and auditability. In parallel, Jason unified multiple live evidence query classes into a single, nested data model, reducing schema fragmentation and simplifying maintenance. His work involved schema design, refactoring, and careful deprecation strategies using Python and Markdown. These changes established clearer data contracts and a more maintainable foundation, supporting faster integration and more reliable downstream processing for compliance and evidence pipelines.

Month: 2025-04 — Delivered two schema-level enhancements in ocsf-schema that advance compliance metadata quality and simplify live evidence data modeling. These changes strengthen standard alignment, reduce schema complexity, and set the groundwork for more robust downstream processing and auditing. Key deliverables: - Compliance Findings Metadata Realignment with CIS/DISA Standards: Realigns the Compliance Finding category (2003) to CIS/DISA expectations; introduces new checks; deprecates legacy terms like 'Device Config State' and 'cis_csc'; enhances descriptions with examples to clarify usage. Commit a24b6746a7fcb5a2f4626e47581f024d98092f4e (#1369). Business value: improved metadata accuracy, standard conformance, and auditability. - Live Evidence Schema Unification into Live Evidence Info: Consolidates multiple 'query evidence' classes into a single Live Evidence Info event class; introduces a nested Query Evidence object; deprecates numerous specific query classes; simplifies the schema for live evidence collection. Commit d095c1f00c109620c60171cd8d9ea29c92b913e4 (#1382). Business value: streamlined data models, consistent live evidence representation, and reduced maintenance. Overall impact: Enhanced standard alignment, clearer data contracts, and a more maintainable schema foundation for compliance and evidence pipelines, enabling faster integration and reliable auditing. Technologies/skills demonstrated: schema refactoring, deprecation strategy, nested object modeling, versioned commits, and cross-team collaboration to align with CIS/DISA standards.
Month: 2025-04 — Delivered two schema-level enhancements in ocsf-schema that advance compliance metadata quality and simplify live evidence data modeling. These changes strengthen standard alignment, reduce schema complexity, and set the groundwork for more robust downstream processing and auditing. Key deliverables: - Compliance Findings Metadata Realignment with CIS/DISA Standards: Realigns the Compliance Finding category (2003) to CIS/DISA expectations; introduces new checks; deprecates legacy terms like 'Device Config State' and 'cis_csc'; enhances descriptions with examples to clarify usage. Commit a24b6746a7fcb5a2f4626e47581f024d98092f4e (#1369). Business value: improved metadata accuracy, standard conformance, and auditability. - Live Evidence Schema Unification into Live Evidence Info: Consolidates multiple 'query evidence' classes into a single Live Evidence Info event class; introduces a nested Query Evidence object; deprecates numerous specific query classes; simplifies the schema for live evidence collection. Commit d095c1f00c109620c60171cd8d9ea29c92b913e4 (#1382). Business value: streamlined data models, consistent live evidence representation, and reduced maintenance. Overall impact: Enhanced standard alignment, clearer data contracts, and a more maintainable schema foundation for compliance and evidence pipelines, enabling faster integration and reliable auditing. Technologies/skills demonstrated: schema refactoring, deprecation strategy, nested object modeling, versioned commits, and cross-team collaboration to align with CIS/DISA standards.
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