SpecterOps/BloodHound
Oct 2024 – Feb 2026
16 Months active
Languages Used
GoJavaScriptSQLTypeScriptSVGCueCUEDockerfile
Technical Skills
API DevelopmentAPI IntegrationBackend DevelopmentComponent RefactoringDatabase ManagementFront End Development
Michael Lipka
PROFILE
Michael Lipka
Over 16 months, Michael Lipka engineered access control, security, and data modeling features for the SpecterOps/BloodHound repository. He delivered granular environment-level permissions, unified SSO authentication, and Azure RBAC ingestion by integrating Go, TypeScript, and SQL across backend and frontend layers. His work included middleware for environment access, robust migration strategies, and feature flag infrastructure, ensuring reliable deployments and maintainable code. Michael refactored APIs and database schemas for consistency, implemented security patches, and enhanced error handling and testing. His contributions addressed evolving security requirements, improved auditability, and enabled scalable governance, demonstrating depth in backend development, API integration, and database management.
Overall Statistics
Feature vs Bugs
67%Features
Repository Contributions
37Total
Bugs
9
Commits
37
Features
18
Lines of code
17,208
Activity Months16
Your Network
96 peopleWork History
February 2026
1 Commits • 1 Features
Feb 1, 2026February 2026 — SpecterOps/BloodHound: OpenAPI Access Control Model Update completed. Removed ETAC references from OpenAPI specs, signaling a shift in access control management. No major bugs fixed this month for this repo. Impact: clearer API contract, reduced consumer confusion, and readiness for future access control migrations. Technologies/skills demonstrated include OpenAPI maintenance, API documentation hygiene, versioned governance, and disciplined commit messaging.
1 Commits • 1 Features
Feb 1, 2026February 2026 — SpecterOps/BloodHound: OpenAPI Access Control Model Update completed. Removed ETAC references from OpenAPI specs, signaling a shift in access control management. No major bugs fixed this month for this repo. Impact: clearer API contract, reduced consumer confusion, and readiness for future access control migrations. Technologies/skills demonstrated include OpenAPI maintenance, API documentation hygiene, versioned governance, and disciplined commit messaging.
February 2026
January 2026
5 Commits • 2 Features
Jan 1, 2026January 2026: Delivered DogTags-based ETAC access control with middleware/API integration and DogTags-based environment checks; added DogTags support for ETAC checks via a dedicated API path; implemented ETAC-based shortest-path filtering; improved ETAC search robustness when domainsid/tenantid are missing; and optimized audit logging by skipping deletions when no ETAC list exists. These changes strengthen security/compliance, reduce operational overhead, and improve pathfinding accuracy and access control.
January 2026
5 Commits • 2 Features
Jan 1, 2026January 2026: Delivered DogTags-based ETAC access control with middleware/API integration and DogTags-based environment checks; added DogTags support for ETAC checks via a dedicated API path; implemented ETAC-based shortest-path filtering; improved ETAC search robustness when domainsid/tenantid are missing; and optimized audit logging by skipping deletions when no ETAC list exists. These changes strengthen security/compliance, reduce operational overhead, and improve pathfinding accuracy and access control.
December 2025
1 Commits
Dec 1, 2025December 2025: Focused on strengthening data migration reliability for BloodHound. Implemented a conditional rename from environment_access_control to environment_targeted_access_control and added a safeguarded drop path for the old table, addressing BED-7077 risk and aligning with the v8.3.0 ETAC Table Rename fix (#2210). These changes reduce migration failures, prevent conflicts across environments, and preserve data integrity during deployments. Result: smoother releases, lower rollback and support costs, and clearer release notes.
1 Commits
Dec 1, 2025December 2025: Focused on strengthening data migration reliability for BloodHound. Implemented a conditional rename from environment_access_control to environment_targeted_access_control and added a safeguarded drop path for the old table, addressing BED-7077 risk and aligning with the v8.3.0 ETAC Table Rename fix (#2210). These changes reduce migration failures, prevent conflicts across environments, and preserve data integrity during deployments. Result: smoother releases, lower rollback and support costs, and clearer release notes.
December 2025
November 2025
1 Commits • 1 Features
Nov 1, 2025In November 2025, delivered a security-focused API middleware enhancement for SpecterOps/BloodHound: SupportsETAC Environment Access Control Middleware. Implemented environment-level access checks based on the user’s ETAC permissions, returning appropriate HTTP status codes for unauthorized access. This feature tightens control over sensitive environments and lays groundwork for policy-driven access control across the platform. The change is tracked to a single commit and closes BED-6038.
November 2025
1 Commits • 1 Features
Nov 1, 2025In November 2025, delivered a security-focused API middleware enhancement for SpecterOps/BloodHound: SupportsETAC Environment Access Control Middleware. Implemented environment-level access checks based on the user’s ETAC permissions, returning appropriate HTTP status codes for unauthorized access. This feature tightens control over sensitive environments and lays groundwork for policy-driven access control across the platform. The change is tracked to a single commit and closes BED-6038.
October 2025
1 Commits
Oct 1, 2025Month: 2025-10. SpecterOps/BloodHound focused on establishing a unified ETAC naming standard across the codebase. Delivered ETAC Naming Standardization across internal structures, API models, and database schemas, aligning feature flags and API contracts with the ETAC naming convention. Addressed naming inconsistencies with a targeted fix (BED-6604), committed as 34c676a722de8caf70b09a89f605015a2e69e8bd (#1973). Result: clearer, more maintainable codebase, reduced risk of misnamed references, and smoother onboarding for future refactors. Technologies demonstrated include API design, database schema governance, and cross-layer refactoring.
1 Commits
Oct 1, 2025Month: 2025-10. SpecterOps/BloodHound focused on establishing a unified ETAC naming standard across the codebase. Delivered ETAC Naming Standardization across internal structures, API models, and database schemas, aligning feature flags and API contracts with the ETAC naming convention. Addressed naming inconsistencies with a targeted fix (BED-6604), committed as 34c676a722de8caf70b09a89f605015a2e69e8bd (#1973). Result: clearer, more maintainable codebase, reduced risk of misnamed references, and smoother onboarding for future refactors. Technologies demonstrated include API design, database schema governance, and cross-layer refactoring.
October 2025
September 2025
1 Commits • 1 Features
Sep 1, 2025September 2025 monthly summary for SpecterOps/BloodHound focused on governance, security, and permission enhancements. Delivered a scalable mechanism for environment-level access control and reinforced least-privilege practices across the platform.
September 2025
1 Commits • 1 Features
Sep 1, 2025September 2025 monthly summary for SpecterOps/BloodHound focused on governance, security, and permission enhancements. Delivered a scalable mechanism for environment-level access control and reinforced least-privilege practices across the platform.
August 2025
2 Commits • 1 Features
Aug 1, 2025August 2025 (SpecterOps/BloodHound) produced a key feature delivery focused on dependency maintenance: AzureHound in Docker builds was updated to the latest stable 2.7.x series to incorporate recent improvements and security fixes. This involved two commits updating the AzureHound version across Dockerfiles used by BloodHound (main and API Dockerfiles). There were no major bugs documented as fixed in this period. Overall impact includes improved build reliability, security posture, and maintainability by keeping critical dependencies current, along with strong traceability in commit messages. Technologies demonstrated include Dockerfile maintenance, version control discipline, and dependency management, with explicit BED-6384 references.
2 Commits • 1 Features
Aug 1, 2025August 2025 (SpecterOps/BloodHound) produced a key feature delivery focused on dependency maintenance: AzureHound in Docker builds was updated to the latest stable 2.7.x series to incorporate recent improvements and security fixes. This involved two commits updating the AzureHound version across Dockerfiles used by BloodHound (main and API Dockerfiles). There were no major bugs documented as fixed in this period. Overall impact includes improved build reliability, security posture, and maintainability by keeping critical dependencies current, along with strong traceability in commit messages. Technologies demonstrated include Dockerfile maintenance, version control discipline, and dependency management, with explicit BED-6384 references.
August 2025
July 2025
4 Commits • 2 Features
Jul 1, 2025Month: 2025-07. This period focused on delivering security visibility improvements, establishing groundwork for future access control, and stabilizing legacy AD relationships after redesign. Key outcomes include enhanced data pipeline modeling for Azure role-eligible principals, foundational TAC feature flag infrastructure, and restored AD/GPO behavior to maintain system reliability. The month also included targeted testing to validate changes and minimize regressions.
July 2025
4 Commits • 2 Features
Jul 1, 2025Month: 2025-07. This period focused on delivering security visibility improvements, establishing groundwork for future access control, and stabilizing legacy AD relationships after redesign. Key outcomes include enhanced data pipeline modeling for Azure role-eligible principals, foundational TAC feature flag infrastructure, and restored AD/GPO behavior to maintain system reliability. The month also included targeted testing to validate changes and minimize regressions.
June 2025
3 Commits • 1 Features
Jun 1, 2025June 2025 performance summary for SpecterOps/BloodHound: Delivered Azure Role Approver (AZRoleApprover) feature and completed security hardening. The AZRoleApprover addition enables modeling and analysis of Azure role-approver relationships by introducing the AZRoleApprover relationship kind to the graph schema, UI components and help texts, plus integration tests and fixes for edge cases such as null approver slices; ensured post-processing is invoked to support end-to-end analysis.
3 Commits • 1 Features
Jun 1, 2025June 2025 performance summary for SpecterOps/BloodHound: Delivered Azure Role Approver (AZRoleApprover) feature and completed security hardening. The AZRoleApprover addition enables modeling and analysis of Azure role-approver relationships by introducing the AZRoleApprover relationship kind to the graph schema, UI components and help texts, plus integration tests and fixes for edge cases such as null approver slices; ensured post-processing is invoked to support end-to-end analysis.
June 2025
May 2025
1 Commits • 1 Features
May 1, 2025May 2025 — SpecterOps/BloodHound: Implemented Azure Role Management Policy Assignments Ingestion to enrich Azure RBAC modeling. Introduced new converters and schema definitions to ingest policy assignment details (approvers, approval requirements) and to support creation of AZRoleApproval edges. This enhances data fidelity, auditing capabilities, and automation for Azure role management. No major bugs fixed this month; primary focus on delivering and validating the ingestion pipeline for Azure RBAC data.
May 2025
1 Commits • 1 Features
May 1, 2025May 2025 — SpecterOps/BloodHound: Implemented Azure Role Management Policy Assignments Ingestion to enrich Azure RBAC modeling. Introduced new converters and schema definitions to ingest policy assignment details (approvers, approval requirements) and to support creation of AZRoleApproval edges. This enhances data fidelity, auditing capabilities, and automation for Azure role management. No major bugs fixed this month; primary focus on delivering and validating the ingestion pipeline for Azure RBAC data.
April 2025
2 Commits • 2 Features
Apr 1, 2025April 2025 performance summary for SpecterOps/BloodHound: Delivered two core features focused on data reliability and maintainability. Implemented Domain Trust Attributes Parsing Enhancement to support floating-point representations, enhancing robustness of domain trust data ingestion. Introduced a v7.3.0 migration to remove the admin_rights_count property from all User nodes in the graph database, improving data consistency and reducing unused fields. These changes improve data quality for downstream analytics, readiness for schema evolution, and long-term maintainability. Technologies demonstrated include domain attribute parsing, graph database migrations, and versioned migration strategy.
2 Commits • 2 Features
Apr 1, 2025April 2025 performance summary for SpecterOps/BloodHound: Delivered two core features focused on data reliability and maintainability. Implemented Domain Trust Attributes Parsing Enhancement to support floating-point representations, enhancing robustness of domain trust data ingestion. Introduced a v7.3.0 migration to remove the admin_rights_count property from all User nodes in the graph database, improving data consistency and reducing unused fields. These changes improve data quality for downstream analytics, readiness for schema evolution, and long-term maintainability. Technologies demonstrated include domain attribute parsing, graph database migrations, and versioned migration strategy.
April 2025
March 2025
3 Commits • 1 Features
Mar 1, 2025Concise monthly summary for 2025-03 focused on delivering stable, secure improvements to SpecterOps/BloodHound, with measurable impact on attack-path analytics and user management safeguards.
March 2025
3 Commits • 1 Features
Mar 1, 2025Concise monthly summary for 2025-03 focused on delivering stable, secure improvements to SpecterOps/BloodHound, with measurable impact on attack-path analytics and user management safeguards.
February 2025
6 Commits • 2 Features
Feb 1, 2025February 2025 monthly summary for SpecterOps/BloodHound highlights substantial progress in NTLM relay analysis capabilities, ingestion enhancements, and reliability fixes. Delivered NTLM Post-Processing Enablement that allows analysis of LDAP/LDAPS relay paths with new relationship types, a feature flag for controlled rollout, and updated UI/help content. Rolled out NTLM Ingestion Enhancements to capture NTLM-related properties (SMB signing, web client status, NTLM restriction settings) and refreshed UI help texts. Fixed AD IsDC property check by refactoring to boolean comparison for reliable DC detection. These efforts enhance security assessment capabilities, reduce rollout risk via feature flags, and enable faster triage of relay abuse scenarios. Technically, work covered backend logic for NTLM post-processing, ingestion pipeline updates, and UX copy improvements, demonstrating disciplined use of feature flags, robust boolean handling, and clear documentation.
6 Commits • 2 Features
Feb 1, 2025February 2025 monthly summary for SpecterOps/BloodHound highlights substantial progress in NTLM relay analysis capabilities, ingestion enhancements, and reliability fixes. Delivered NTLM Post-Processing Enablement that allows analysis of LDAP/LDAPS relay paths with new relationship types, a feature flag for controlled rollout, and updated UI/help content. Rolled out NTLM Ingestion Enhancements to capture NTLM-related properties (SMB signing, web client status, NTLM restriction settings) and refreshed UI help texts. Fixed AD IsDC property check by refactoring to boolean comparison for reliable DC detection. These efforts enhance security assessment capabilities, reduce rollout risk via feature flags, and enable faster triage of relay abuse scenarios. Technically, work covered backend logic for NTLM post-processing, ingestion pipeline updates, and UX copy improvements, demonstrating disciplined use of feature flags, robust boolean handling, and clear documentation.
February 2025
January 2025
2 Commits • 1 Features
Jan 1, 2025January 2025 monthly summary for SpecterOps/BloodHound. Delivered the CoerceNTLMToSMB abuse vector detection feature with post-processing to identify attack paths that coerce NTLM authentication to servers where SMB signing is disabled. This work included tests, schema definitions updates, and UI/help components to explain the attack vector to users, enhancing analyst context and user onboarding.
January 2025
2 Commits • 1 Features
Jan 1, 2025January 2025 monthly summary for SpecterOps/BloodHound. Delivered the CoerceNTLMToSMB abuse vector detection feature with post-processing to identify attack paths that coerce NTLM authentication to servers where SMB signing is disabled. This work included tests, schema definitions updates, and UI/help components to explain the attack vector to users, enhancing analyst context and user onboarding.
November 2024
2 Commits • 1 Features
Nov 1, 2024Month: 2024-11 — SpecterOps/BloodHound delivered UI polish and backend robustness improvements. Key outcomes include: InfiniteScrollingTable Visual Consistency Enhancement (refactored styling with distinct CSS classes for even/odd rows, stabilizing background colors and hover effects; commit a29eed3951e72a0f381192359a30139a711b1b95). API Error Handling for GetDatapipeStatus and GetAnalysisRequest (enhanced error propagation to surface all database errors; added unit tests for these endpoints; commit 70849cca5af6099230e8d9d076fbc962a0d50c5b). Additionally, improvements in traceability and maintainability with linked BED issues and test coverage.
2 Commits • 1 Features
Nov 1, 2024Month: 2024-11 — SpecterOps/BloodHound delivered UI polish and backend robustness improvements. Key outcomes include: InfiniteScrollingTable Visual Consistency Enhancement (refactored styling with distinct CSS classes for even/odd rows, stabilizing background colors and hover effects; commit a29eed3951e72a0f381192359a30139a711b1b95). API Error Handling for GetDatapipeStatus and GetAnalysisRequest (enhanced error propagation to surface all database errors; added unit tests for these endpoints; commit 70849cca5af6099230e8d9d076fbc962a0d50c5b). Additionally, improvements in traceability and maintainability with linked BED issues and test coverage.
November 2024
October 2024
2 Commits • 1 Features
Oct 1, 2024October 2024 — SpecterOps/BloodHound: Delivered Unified SSO Authentication and Provider Management to consolidate SSO support into a single, provider-agnostic flow. This included adding a deletion endpoint for SSO providers, migrating SAML-specific deletion logic to the generic SSO framework, renaming SAML components to SSO, updating API calls to fetch SSO providers, and applying the necessary database schema changes and migrations. The work reduces complexity, improves security posture through a single authentication surface, and accelerates onboarding of new identity providers.
October 2024
2 Commits • 1 Features
Oct 1, 2024October 2024 — SpecterOps/BloodHound: Delivered Unified SSO Authentication and Provider Management to consolidate SSO support into a single, provider-agnostic flow. This included adding a deletion endpoint for SSO providers, migrating SAML-specific deletion logic to the generic SSO framework, renaming SAML components to SSO, updating API calls to fetch SSO providers, and applying the necessary database schema changes and migrations. The work reduces complexity, improves security posture through a single authentication surface, and accelerates onboarding of new identity providers.
Activity
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Quality Metrics
Correctness95.4%
Maintainability89.8%
Architecture91.6%
Performance88.4%
AI Usage21.0%
Skills & Technologies
Programming Languages
CUECueDockerfileGoJSONJavaScriptSQLSVGTypeScriptYAML
Technical Skills
API DevelopmentAPI DocumentationAPI IntegrationAPI developmentAccess ControlAccess Control ManagementActive DirectoryAzureAzure IntegrationBackend DevelopmentCUEClient-Side DevelopmentCode ConsistencyComponent RefactoringContainerization
Repositories Contributed To
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