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Arianna Cooper

PROFILE

Arianna Cooper

Alex Cooper developed and enhanced enterprise authentication, asset tagging, and API governance features for the SpecterOps/BloodHound repository over nine months. He implemented SSO integration and automatic user provisioning using Go and OIDC/SAML, improving onboarding and access control. Alex designed and delivered RESTful APIs for asset group tagging, history search, and deletion, focusing on data integrity, auditability, and robust error handling. He refactored backend logic for rate limiting, session management, and privilege zone naming, addressing security and scalability. His work included OpenAPI documentation, unit testing, and database migrations, demonstrating depth in backend development, API design, and system reliability improvements.

Overall Statistics

Feature vs Bugs

92%Features

Repository Contributions

17Total
Bugs
1
Commits
17
Features
12
Lines of code
7,373
Activity Months9

Work History

September 2025

3 Commits • 2 Features

Sep 1, 2025

September 2025 monthly summary for SpecterOps/BloodHound: Delivered targeted feature refinements that enhance configurability, governance, and data integrity, fixed a critical session timeout bug, and integrated BHCE improvements. This period focused on delivering business value through reliable session lifecycle handling, finer-grained auto-certification controls, and consistent privilege-zone naming with improved BHCE visibility.

August 2025

1 Commits • 1 Features

Aug 1, 2025

In August 2025, delivered the Asset Group Tag History Search API for SpecterOps/BloodHound, with refactored history retrieval supporting both direct retrieval and search-based queries, updated OpenAPI docs, and added comprehensive unit tests. This work enhances asset tag history visibility and search capabilities for security investigations.

July 2025

1 Commits • 1 Features

Jul 1, 2025

July 2025 monthly summary for SpecterOps/BloodHound: Delivered a critical API scalability improvement by increasing the per-request limit for the Asset Group Tags Selectors endpoint. This change enables retrieving up to 99,999 selectors in a single GET call, addressing data retrieval bottlenecks for large asset groups and reducing client-side paging and round-trips. The implementation is tracked in commit 59a39a5ca5bfd0e46c6166166994ee5d55bcd6d1 (PR #1722).

June 2025

4 Commits • 3 Features

Jun 1, 2025

June 2025 Monthly Summary for SpecterOps/BloodHound: Delivered feature work focused on data integrity, auditability, and deprecation of legacy flows. Implemented API endpoints, UI/backend enhancements, and migration-friendly changes with tests and docs. This work strengthens data governance, reduces technical debt, and improves reliability for asset group management.

May 2025

2 Commits • 1 Features

May 1, 2025

May 2025 monthly summary: Delivered a focused data-accuracy enhancement in DomainSelector by making ImpactValue nullable via a *int to explicitly represent unset/null, enabling distinction between 0 and missing values in search results. Implemented and validated via two commits addressing BED-5937 (#1519) in SpecterOps/BloodHound.

April 2025

3 Commits • 1 Features

Apr 1, 2025

April 2025 monthly delivery focused on asset-tagging governance. Implemented the Asset Group Tag API with endpoints for tag details, member retrieval, and selector-based member queries, including sorting, pagination, and robust error handling; accompanied by unit tests and OpenAPI docs updates.

March 2025

1 Commits • 1 Features

Mar 1, 2025

March 2025: API rate limiting enhancement with proxies support delivered for SpecterOps/BloodHound. Replaced the tollbooth limiter with ulule/limiter, added a trusted proxies configuration to correctly identify client IPs behind reverse proxies, and performed DB schema migrations plus test updates to support the new logic. Addressed PenTest findings on internal IP disclosure and rate limit bypass, validated via updated tests. Result: stronger security posture, more accurate rate limiting behind proxies, and a scalable foundation for future API governance.

January 2025

1 Commits • 1 Features

Jan 1, 2025

January 2025 performance summary for SpecterOps/BloodHound. Key feature delivered: Automatic User Provisioning for SSO (OIDC/SAML). Implemented auto-creation of user accounts based on SSO provider configurations, and updated OIDC/SAML callback flows, database models, and API endpoints to support provisioning. Related commit: BED-5070 (7c1676effd612aed45008f06ffd2fef32fe2c87c) titled "BED-5070: Add Auto-provisioning Support to SSO Auth Flow on Backend (#1025)". No major bugs fixed this period. Business impact includes faster onboarding, reduced manual provisioning, and strengthened access governance. Technologies demonstrated: OIDC/SAML integration, backend API design, database schema updates, and authentication flow enhancements.

November 2024

1 Commits • 1 Features

Nov 1, 2024

Month 2024-11 focused on enabling enterprise-grade authentication workflow improvements and strengthening user management auditability for SpecterOps/BloodHound.

Activity

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Quality Metrics

Correctness91.2%
Maintainability89.4%
Architecture85.2%
Performance84.8%
AI Usage25.8%

Skills & Technologies

Programming Languages

GoJavaScriptOpenAPISQLTypeScriptYAMLtsx

Technical Skills

API DevelopmentAPI DocumentationAuthentication and AuthorizationBackend DevelopmentCode RenamingComponent IntegrationConditional RenderingConfiguration ManagementDatabase IntegrationDatabase InteractionDatabase ManagementDocumentationFeature Flag ManagementFrontend DevelopmentGORM

Repositories Contributed To

1 repo

Overview of all repositories you've contributed to across your timeline

SpecterOps/BloodHound

Nov 2024 Sep 2025
9 Months active

Languages Used

GoSQLOpenAPIJavaScriptTypeScriptYAMLtsx

Technical Skills

API DevelopmentAuthentication and AuthorizationBackend DevelopmentDatabase ManagementGoOIDC

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