
Ethan Brown contributed to the SpecterOps/BloodHound repository by designing and implementing a suite of backend APIs and data models to enhance asset management, tagging, and certification workflows. He focused on scalable API development using Go and TypeScript, introducing features such as asset group tag selectors, certification endpoints, and historical data visibility with pagination. Ethan improved data integrity by evolving database schemas and integrating robust testing, while also addressing reliability through targeted bug fixes and logging enhancements. His work enabled more accurate security analytics and compliance checks, demonstrating depth in backend development, API design, and collaborative documentation across evolving technical requirements.

September 2025 monthly summary for SpecterOps/BloodHound focusing on delivering measurable business value and robust technical outcomes. This period centered on expanding asset management capabilities by delivering an Asset Group Certifications API that increases visibility into certification status across asset groups, supporting compliance and security posture assessments.
September 2025 monthly summary for SpecterOps/BloodHound focusing on delivering measurable business value and robust technical outcomes. This period centered on expanding asset management capabilities by delivering an Asset Group Certifications API that increases visibility into certification status across asset groups, supporting compliance and security posture assessments.
Monthly summary for 2025-08: Delivered Asset Group Tag enhancements for SpecterOps/BloodHound, reinforcing tagging fidelity and UX. Implemented AssetGroupTagId on AssetGroupMember to reliably link members to tags and added support for custom icons (glyphs) on Asset Group Tags, accompanied by API/schema updates. These changes improve data integrity, tagging usability, and test coverage, enabling more reliable asset grouping and richer visual cues for asset tagging. No major bugs fixed this month. Key commits include BED-6290 (Add AGT id to members) and BED-6168 (Add support for custom icons on AGTs). Overall impact: cleaner tagging data, better developer experience, and a scalable foundation for future tagging enhancements. Technologies demonstrated: data modeling and API/schema evolution, tagging UX improvements, test coverage enhancements, and collaborative code review.
Monthly summary for 2025-08: Delivered Asset Group Tag enhancements for SpecterOps/BloodHound, reinforcing tagging fidelity and UX. Implemented AssetGroupTagId on AssetGroupMember to reliably link members to tags and added support for custom icons (glyphs) on Asset Group Tags, accompanied by API/schema updates. These changes improve data integrity, tagging usability, and test coverage, enabling more reliable asset grouping and richer visual cues for asset tagging. No major bugs fixed this month. Key commits include BED-6290 (Add AGT id to members) and BED-6168 (Add support for custom icons on AGTs). Overall impact: cleaner tagging data, better developer experience, and a scalable foundation for future tagging enhancements. Technologies demonstrated: data modeling and API/schema evolution, tagging UX improvements, test coverage enhancements, and collaborative code review.
July 2025 – SpecterOps/BloodHound: Key deliverables focused on API scalability and historical data visibility. Major bugs fixed: none reported this month. Overall impact: improved data accessibility and scalability for large datasets; enhanced auditing/history capabilities; better developer experience through updated docs. Technologies demonstrated: REST API design with pagination, endpoint versioning, DB layer updates, and documentation.
July 2025 – SpecterOps/BloodHound: Key deliverables focused on API scalability and historical data visibility. Major bugs fixed: none reported this month. Overall impact: improved data accessibility and scalability for large datasets; enhanced auditing/history capabilities; better developer experience through updated docs. Technologies demonstrated: REST API design with pagination, endpoint versioning, DB layer updates, and documentation.
May 2025 monthly summary for SpecterOps/BloodHound. Focused on delivering API enhancements to improve asset-group analytics and operator visibility. Primary delivery: a backend API improvement enabling per-selector node counts, improving filtering and dashboards.
May 2025 monthly summary for SpecterOps/BloodHound. Focused on delivering API enhancements to improve asset-group analytics and operator visibility. Primary delivery: a backend API improvement enabling per-selector node counts, improving filtering and dashboards.
April 2025 — Focused on strengthening governance and asset management in SpecterOps/BloodHound. Delivered two features: (1) Asset Group Tag Selectors API endpoints: PATCH for updates and DELETE with safeguards (default selectors protected); triggers analysis request on deletion if needed. (2) RFC Template for Proposals to standardize documentation for architectural changes, core process modifications, and cross-team alignment.
April 2025 — Focused on strengthening governance and asset management in SpecterOps/BloodHound. Delivered two features: (1) Asset Group Tag Selectors API endpoints: PATCH for updates and DELETE with safeguards (default selectors protected); triggers analysis request on deletion if needed. (2) RFC Template for Proposals to standardize documentation for architectural changes, core process modifications, and cross-team alignment.
March 2025 — SpecterOps/BloodHound delivered critical asset tagging enhancements and reliability improvements. Implemented the Asset Group Tag Selector API (v2) with data model updates, DB schema changes, and supporting models; fixed Azure Password Reset edge generation false positives by refining membership filtering of role-assignable groups. These changes enable precise asset tagging, clearer governance, and more reliable security analytics, improving operation efficiency and reducing investigation noise.
March 2025 — SpecterOps/BloodHound delivered critical asset tagging enhancements and reliability improvements. Implemented the Asset Group Tag Selector API (v2) with data model updates, DB schema changes, and supporting models; fixed Azure Password Reset edge generation false positives by refining membership filtering of role-assignable groups. These changes enable precise asset tagging, clearer governance, and more reliable security analytics, improving operation efficiency and reducing investigation noise.
January 2025 monthly summary for SpecterOps/BloodHound: Focused on delivering business value through accurate GPO enforcement, corrected UI data presentation for Azure Key Vault, and ensuring critical admin groups are preserved in data processing. Highlights include new enforcement logic for GPO inheritance, a UI fix for Key Vault reader counts, and preservation of Direct Access Users groups during collection and post-processing.
January 2025 monthly summary for SpecterOps/BloodHound: Focused on delivering business value through accurate GPO enforcement, corrected UI data presentation for Azure Key Vault, and ensuring critical admin groups are preserved in data processing. Highlights include new enforcement logic for GPO inheritance, a UI fix for Key Vault reader counts, and preservation of Direct Access Users groups during collection and post-processing.
December 2024 — SpecterOps/BloodHound: focus on reliability and observability improvements with targeted bug fix in the ADCSESC subsystem. Key features delivered: - None this month (maintenance/quality-of-life improvements prioritized). Major bugs fixed: - ADCSESC Logging Edge Name Correction: Fixed incorrect ADCSESC edge names used in log.Warnf statements within ADCSESC functions; improves diagnostic accuracy and traceability of ADCS-related operations. Commit: 5544813404cb9b30149da4c7dcaa59ef020b2382 (#995). Overall impact and accomplishments: - Enhanced logging accuracy for the ADCS subsystem, enabling faster diagnosis and fewer false positives in edge-name related diagnostics. Maintained low-risk change with a targeted fix in the ADCSESC path, contributing to higher reliability and easier maintenance. Technologies/skills demonstrated: - Logging instrumentation and diagnostic improvements, version control traceability, targeted debugging under the ADCS domain, and careful change impact assessment.
December 2024 — SpecterOps/BloodHound: focus on reliability and observability improvements with targeted bug fix in the ADCSESC subsystem. Key features delivered: - None this month (maintenance/quality-of-life improvements prioritized). Major bugs fixed: - ADCSESC Logging Edge Name Correction: Fixed incorrect ADCSESC edge names used in log.Warnf statements within ADCSESC functions; improves diagnostic accuracy and traceability of ADCS-related operations. Commit: 5544813404cb9b30149da4c7dcaa59ef020b2382 (#995). Overall impact and accomplishments: - Enhanced logging accuracy for the ADCS subsystem, enabling faster diagnosis and fewer false positives in edge-name related diagnostics. Maintained low-risk change with a targeted fix in the ADCSESC path, contributing to higher reliability and easier maintenance. Technologies/skills demonstrated: - Logging instrumentation and diagnostic improvements, version control traceability, targeted debugging under the ADCS domain, and careful change impact assessment.
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