ocsf/ocsf-schema
Nov 2024 – Mar 2026
9 Months active
Languages Used
MarkdownYAMLJSON
Technical Skills
Data ModelingSchema DevelopmentDocumentationSchema DefinitionCybersecurity FrameworksSchema Design
Paul Agbabian
PROFILE
Paul Agbabian
Over nine months, contributed to the ocsf-schema repository by designing and evolving data models, schemas, and documentation to support advanced security analytics and enterprise integration. Delivered features such as unified email activity modeling, MITRE ATT&CK/ATLAS schema expansion, and directory services integration for LDAP and Active Directory. Enhanced metadata management, provenance tracking, and schema validation, while maintaining backward compatibility and clear documentation. Leveraged skills in data modeling, schema development, and API integration, working primarily with JSON, YAML, and Markdown. Focused on improving data quality, interoperability, and onboarding for downstream consumers, with disciplined commit practices and strong alignment to cybersecurity frameworks.
Overall Statistics
Feature vs Bugs
93%Features
Repository Contributions
19Total
Bugs
1
Commits
19
Features
13
Lines of code
787
Activity Months9
Your Network
129 peopleSame Organization
@splunk.com105
Work History
March 2026
1 Commits • 1 Features
Mar 1, 2026March 2026: Delivered enterprise-grade Directory Services Integration enhancements for ocsf-schema, enabling LDAP department attribute support, on-premises directory synchronization, and a new Active Directory account type. Also aligned Azure AD terminology with Microsoft Entra ID to reduce customer ambiguity in identity provisioning. No major bugs fixed this month; observed improvements focused on stabilizing and documenting identity workflows for enterprise deployments. Overall impact: accelerates secure onboarding and provisioning across cloud/on-prem environments, improves governance, and positions customers to adopt Entra ID branding with minimal migration friction. Technologies/skills demonstrated include LDAP, Active Directory integration, on-premises synchronization, Microsoft Entra ID alignment, and contribution discipline through targeted commits (e.g., 38ef06e9eb1e…)).
1 Commits • 1 Features
Mar 1, 2026March 2026: Delivered enterprise-grade Directory Services Integration enhancements for ocsf-schema, enabling LDAP department attribute support, on-premises directory synchronization, and a new Active Directory account type. Also aligned Azure AD terminology with Microsoft Entra ID to reduce customer ambiguity in identity provisioning. No major bugs fixed this month; observed improvements focused on stabilizing and documenting identity workflows for enterprise deployments. Overall impact: accelerates secure onboarding and provisioning across cloud/on-prem environments, improves governance, and positions customers to adopt Entra ID branding with minimal migration friction. Technologies/skills demonstrated include LDAP, Active Directory integration, on-premises synchronization, Microsoft Entra ID alignment, and contribution discipline through targeted commits (e.g., 38ef06e9eb1e…)).
March 2026
November 2025
2 Commits • 1 Features
Nov 1, 2025November 2025 monthly summary focusing on the ocsf-schema work and metadata enhancements. Key Highlights: - Implemented explicit provenance and classification in OCSF event metadata by adding `source` and `type` attributes; aligned descriptions and deprecation path for related log fields to reduce ambiguity. - Refined log metadata by updating `log_source`, `log_format`, and `log_version`; clarified the distinction between source vs consumer logs and standardized version usage to improve data lineage and trust. - Updated MITRE ATT&CK Matrix references to the current URL to ensure accurate security mapping and resource linkage. Scope and Commit Context: - Commits: - 23c70292d082e0d8f2d1a273a03d4c7448394b27: Added `source` and `type` to metadata; updated log attributes/descriptions for consistency; aligns with related issue #1487. - 3ddb0643cd3c221847a8c3160e70c3f09d7148c1: Updated MITRE ATT&CK Matrix URL to reflect changes; ensures correct security framework resource (#1539). Impact: - Improved data provenance, event classification, and security mapping, enabling more accurate telemetry analytics, investigations, and governance. - Enhanced cross-team clarity and documentation accompany metadata evolution, reducing ambiguity in downstream consumption.
November 2025
2 Commits • 1 Features
Nov 1, 2025November 2025 monthly summary focusing on the ocsf-schema work and metadata enhancements. Key Highlights: - Implemented explicit provenance and classification in OCSF event metadata by adding `source` and `type` attributes; aligned descriptions and deprecation path for related log fields to reduce ambiguity. - Refined log metadata by updating `log_source`, `log_format`, and `log_version`; clarified the distinction between source vs consumer logs and standardized version usage to improve data lineage and trust. - Updated MITRE ATT&CK Matrix references to the current URL to ensure accurate security mapping and resource linkage. Scope and Commit Context: - Commits: - 23c70292d082e0d8f2d1a273a03d4c7448394b27: Added `source` and `type` to metadata; updated log attributes/descriptions for consistency; aligns with related issue #1487. - 3ddb0643cd3c221847a8c3160e70c3f09d7148c1: Updated MITRE ATT&CK Matrix URL to reflect changes; ensures correct security framework resource (#1539). Impact: - Improved data provenance, event classification, and security mapping, enabling more accurate telemetry analytics, investigations, and governance. - Enhanced cross-team clarity and documentation accompany metadata evolution, reducing ambiguity in downstream consumption.
September 2025
1 Commits • 1 Features
Sep 1, 2025September 2025 monthly summary — Focused on strengthening developer documentation for the ocsf-schema repository. Delivered targeted documentation updates to support observable.name with array-based names, including concrete examples and guidance for populating array names using resources.uid, resources[].uid, and resources[0].uid. These changes clarify schema capabilities for array data and improve onboarding and integration reliability for downstream users.
1 Commits • 1 Features
Sep 1, 2025September 2025 monthly summary — Focused on strengthening developer documentation for the ocsf-schema repository. Delivered targeted documentation updates to support observable.name with array-based names, including concrete examples and guidance for populating array names using resources.uid, resources[].uid, and resources[0].uid. These changes clarify schema capabilities for array data and improve onboarding and integration reliability for downstream users.
September 2025
June 2025
1 Commits • 1 Features
Jun 1, 2025Month: 2025-06 — ocsf/ocsf-schema: Delivered a targeted File object enhancement to improve file-type handling and permissions. Implemented Executable File type via a new File.type_id enum and added an is_read_only attribute on File. The change is encapsulated in the commit 83234cf4112ccc9aa81269c357935de0af1e4e65 and addressed issue #1438. No major bugs were recorded for this repository this month. Business value: more accurate file processing, better security/compliance with read-only status, and groundwork for permission-aware workflows. Technologies/skills: data model extension, enum design, attribute addition, commit-tracking, and issue integration.
June 2025
1 Commits • 1 Features
Jun 1, 2025Month: 2025-06 — ocsf/ocsf-schema: Delivered a targeted File object enhancement to improve file-type handling and permissions. Implemented Executable File type via a new File.type_id enum and added an is_read_only attribute on File. The change is encapsulated in the commit 83234cf4112ccc9aa81269c357935de0af1e4e65 and addressed issue #1438. No major bugs were recorded for this repository this month. Business value: more accurate file processing, better security/compliance with read-only status, and groundwork for permission-aware workflows. Technologies/skills: data model extension, enum design, attribute addition, commit-tracking, and issue integration.
March 2025
4 Commits • 2 Features
Mar 1, 2025Monthly summary - March 2025 (ocsf/ocsf-schema) Overview: - This month focused on delivering targeted schema improvements to enhance data modeling, validation, and terminology consistency while preserving backward compatibility. Key features delivered: - Timespan object enhancements: added optional attributes (count, start_time, end_time) and introduced a Time Interval type_id; updated validation to require start_time/end_time in at_least_one. Commits: ced0c4d87414c1528a21b1e4b903c72eba5daa6f; 63e09e381a228cba4b8379dd3f3e8cd26169c838. - Network Zone type for managed entities: introduced Network Zone type to clarify name/uid usage and avoid redundant fields. Commit: d25c87276cab3529789cb7b49761b83955f5cdcd. - Typo fix in d3f_technique caption: corrected 'DEFEND' to 'D3FEND' to ensure terminology consistency. Commit: e4af4fe0f35947db6c833012a2b27ccc57fd3ed6. Major bugs fixed: - Typo in d3f_technique caption (DEFEND -> D3FEND); no functional impact. Impact and business value: - Strengthened data contracts and validation, enabling more reliable downstream processing and reporting; improved schema clarity for onboarding and maintenance. Technologies/skills demonstrated: - Schema evolution, optional attribute handling, type_id usage, updated validation logic, and disciplined version control.
4 Commits • 2 Features
Mar 1, 2025Monthly summary - March 2025 (ocsf/ocsf-schema) Overview: - This month focused on delivering targeted schema improvements to enhance data modeling, validation, and terminology consistency while preserving backward compatibility. Key features delivered: - Timespan object enhancements: added optional attributes (count, start_time, end_time) and introduced a Time Interval type_id; updated validation to require start_time/end_time in at_least_one. Commits: ced0c4d87414c1528a21b1e4b903c72eba5daa6f; 63e09e381a228cba4b8379dd3f3e8cd26169c838. - Network Zone type for managed entities: introduced Network Zone type to clarify name/uid usage and avoid redundant fields. Commit: d25c87276cab3529789cb7b49761b83955f5cdcd. - Typo fix in d3f_technique caption: corrected 'DEFEND' to 'D3FEND' to ensure terminology consistency. Commit: e4af4fe0f35947db6c833012a2b27ccc57fd3ed6. Major bugs fixed: - Typo in d3f_technique caption (DEFEND -> D3FEND); no functional impact. Impact and business value: - Strengthened data contracts and validation, enabling more reliable downstream processing and reporting; improved schema clarity for onboarding and maintenance. Technologies/skills demonstrated: - Schema evolution, optional attribute handling, type_id usage, updated validation logic, and disciplined version control.
March 2025
February 2025
1 Commits • 1 Features
Feb 1, 2025February 2025 (ocsf/ocsf-schema): Delivered a schema enhancement by expanding the MITRE ATT&CK object to include MITRE ATLAS. This involved updating captions, descriptions, and references for tactics, techniques, and subtechniques, while reusing the existing object structure to maintain consistency. Implemented in the ocsf-schema repository with a commit referencing #1355. No major bugs fixed this month; focus was on data-model expansion and documentation to enable unified ATT&CK/ATLAS coverage. The upgrade improves data fidelity, enables unified threat intel analytics, and reduces future maintenance by standardizing cross-reference handling. Skills demonstrated include schema evolution, backward-compatible design, Git-based collaboration, and clear documentation of data-model extensions. This work increases business value by enhancing threat intel coverage and accelerating integration for downstream consumers.
February 2025
1 Commits • 1 Features
Feb 1, 2025February 2025 (ocsf/ocsf-schema): Delivered a schema enhancement by expanding the MITRE ATT&CK object to include MITRE ATLAS. This involved updating captions, descriptions, and references for tactics, techniques, and subtechniques, while reusing the existing object structure to maintain consistency. Implemented in the ocsf-schema repository with a commit referencing #1355. No major bugs fixed this month; focus was on data-model expansion and documentation to enable unified ATT&CK/ATLAS coverage. The upgrade improves data fidelity, enables unified threat intel analytics, and reduces future maintenance by standardizing cross-reference handling. Skills demonstrated include schema evolution, backward-compatible design, Git-based collaboration, and clear documentation of data-model extensions. This work increases business value by enhancing threat intel coverage and accelerating integration for downstream consumers.
January 2025
4 Commits • 2 Features
Jan 1, 2025January 2025 — ocsf/ocsf-schema delivered two feature enhancements to strengthen incident data representation and metadata quality, enabling faster, data-driven incident response. No major bugs fixed this month; focus was on feature delivery and maintainability. Details: 1) Incident Profile Enhancements: Adds incident profile to findings and updates related impact data. Commits 5e1c79dfb310bbb30be0d1816a39defd34600dc5; 71b0c1418b5ef8845396569d2c03021e3dd247ea. 2) Attribute Descriptions Enhancements (Actor and Domain): Clarifies actor description to distinguish from campaign threat actors and adds See Specific Usage domain attribute descriptions. Commits e38d2078ed5026050b425060bdb30eb29064d0fb; 9136ce7dcfc22e0e56951749c5c0faa04bdf3bff. Overall impact: stronger data fidelity, improved analytics readiness, and better interoperability across threat intel workflows.
4 Commits • 2 Features
Jan 1, 2025January 2025 — ocsf/ocsf-schema delivered two feature enhancements to strengthen incident data representation and metadata quality, enabling faster, data-driven incident response. No major bugs fixed this month; focus was on feature delivery and maintainability. Details: 1) Incident Profile Enhancements: Adds incident profile to findings and updates related impact data. Commits 5e1c79dfb310bbb30be0d1816a39defd34600dc5; 71b0c1418b5ef8845396569d2c03021e3dd247ea. 2) Attribute Descriptions Enhancements (Actor and Domain): Clarifies actor description to distinguish from campaign threat actors and adds See Specific Usage domain attribute descriptions. Commits e38d2078ed5026050b425060bdb30eb29064d0fb; 9136ce7dcfc22e0e56951749c5c0faa04bdf3bff. Overall impact: stronger data fidelity, improved analytics readiness, and better interoperability across threat intel workflows.
January 2025
December 2024
2 Commits • 2 Features
Dec 1, 2024December 2024 monthly summary focused on delivering a unified data model for email activity and enriching the OCSF schema with security-oriented metadata. Key outcomes include a Unified Email Activity Model that consolidates email-related data by adding domains, files, and message_trace_uid fields, and the deprecation of legacy Email URL Activity and Email File Activity to reduce fragmentation. The OCSF Schema was enhanced with References Metadata aligned to MITRE d3fend artifacts, with the CHANGELOG.md updated to reflect these additions, improving data representation and traceability across security-related objects. No major bug fixes were reported this month; efforts centered on design, migration readiness, and schema governance to enable longer-term stability and analytics capabilities. Overall impact: higher data quality, better interoperability, and faster, more accurate security analytics for downstream consumers. Technologies/skills demonstrated: advanced data modeling and schema design, deprecation strategy, MITRE d3fend mapping, changelog governance, and strong commit traceability.
December 2024
2 Commits • 2 Features
Dec 1, 2024December 2024 monthly summary focused on delivering a unified data model for email activity and enriching the OCSF schema with security-oriented metadata. Key outcomes include a Unified Email Activity Model that consolidates email-related data by adding domains, files, and message_trace_uid fields, and the deprecation of legacy Email URL Activity and Email File Activity to reduce fragmentation. The OCSF Schema was enhanced with References Metadata aligned to MITRE d3fend artifacts, with the CHANGELOG.md updated to reflect these additions, improving data representation and traceability across security-related objects. No major bug fixes were reported this month; efforts centered on design, migration readiness, and schema governance to enable longer-term stability and analytics capabilities. Overall impact: higher data quality, better interoperability, and faster, more accurate security analytics for downstream consumers. Technologies/skills demonstrated: advanced data modeling and schema design, deprecation strategy, MITRE d3fend mapping, changelog governance, and strong commit traceability.
November 2024
3 Commits • 2 Features
Nov 1, 2024Month: 2024-11 | The OCSF schema work focused on data-model improvements and expanded reporting capabilities. Delivered a refactor migrating D3fend references to dedicated metadata, improving organization and queryability; removed D3fend references from the location attribute; migrated country data to new metadata fields. Expanded Security Control action_id enum to include Observed, Modified, Unknown, and Other, enhancing reporting granularity and alignment with profiles. Documentation corrections accompany the changes to ensure consistency across references and descriptions. No critical bugs were reported this month; minor documentation cleanups completed alongside feature work.
3 Commits • 2 Features
Nov 1, 2024Month: 2024-11 | The OCSF schema work focused on data-model improvements and expanded reporting capabilities. Delivered a refactor migrating D3fend references to dedicated metadata, improving organization and queryability; removed D3fend references from the location attribute; migrated country data to new metadata fields. Expanded Security Control action_id enum to include Observed, Modified, Unknown, and Other, enhancing reporting granularity and alignment with profiles. Documentation corrections accompany the changes to ensure consistency across references and descriptions. No critical bugs were reported this month; minor documentation cleanups completed alongside feature work.
November 2024
Activity
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Quality Metrics
Correctness94.8%
Maintainability92.6%
Architecture92.6%
Performance88.4%
AI Usage22.2%
Skills & Technologies
Programming Languages
JSONMarkdownYAML
Technical Skills
API integrationCybersecurity FrameworksData ModelingDocumentationSchema DefinitionSchema DesignSchema Developmentbackend developmentdata managementdata modelingdirectory servicesmetadata managementschema design
Repositories Contributed To
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