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Timo Pollmeier

PROFILE

Timo Pollmeier

Timo Pollmeier developed and maintained core backend features for the greenbone/gvmd and greenbone/gvm-libs repositories, focusing on scalable vulnerability management and secure agent distribution. He engineered robust data ingestion pipelines, implemented agent installer lifecycle management, and introduced configurable scan queuing to optimize resource usage. Using C and SQL, Timo refactored legacy modules for maintainability, enhanced authentication protocols, and improved system observability through structured logging and error handling. His work included integrating TLS certificate utilities and flexible update strategies, addressing both security and operational needs. The depth of his contributions ensured reliable deployments, streamlined workflows, and reduced operational risk across environments.

Overall Statistics

Feature vs Bugs

66%Features

Repository Contributions

123Total
Bugs
23
Commits
123
Features
45
Lines of code
21,761
Activity Months12

Work History

October 2025

2 Commits • 2 Features

Oct 1, 2025

October 2025: Delivered security- and certificate-management enhancements across core components (gvm-libs and gvmd). Implemented a new TLS utilities library to centralize certificate and key handling via GnuTLS, and introduced a flexible SecInfo update scheduling CLI option to improve update safety in storage-constrained environments. These changes streamline certificate workflows, reduce operational risk, and enhance deployment flexibility.

September 2025

3 Commits • 1 Features

Sep 1, 2025

September 2025 (2025-09) monthly summary for greenbone/gvmd: Stability and security-focused delivery including data-handling resilience after forks, feed loading robustness, and a simplified installer access permission. Key outcomes: reduced runtime failures in VT type retrieval after fork, uninterrupted GVMD data loading during feed population, and a unified get_agent_installer permission for installer files — collectively improving reliability, maintainability, and security posture.

August 2025

14 Commits • 4 Features

Aug 1, 2025

August 2025 monthly summary focused on stabilizing core scanning workflows, unifying installer management, and expanding reporting and compliance capabilities. Delivered reliability improvements, reduced memory usage risks, and simplified configuration to enable faster, more dependable security scanning and reporting for customers. Key features and robustness improvements now provide stronger business value through improved uptime, data accuracy, and maintainability.

July 2025

15 Commits • 12 Features

Jul 1, 2025

July 2025: Focused delivery of agent installer capabilities and robustness across gvmd and gvm-libs, improving distribution, reliability, and security while strengthening build and test quality. Key enhancements in agent distribution, validation, and conditional exposure underpin streamlined client access and safer deployments; compatibility and maintainability improvements support future growth.

June 2025

15 Commits • 3 Features

Jun 1, 2025

June 2025 monthly summary for greenbone/gvmd focusing on delivering scalable, secure, and observable GVMD capabilities. Key architectural changes were implemented to optimize resource usage and maintainability, alongside improvements to operator visibility and security by gating agent-related features and validating installers.

May 2025

22 Commits • 8 Features

May 1, 2025

May 2025 GVMD monthly summary: Delivered core agent installer lifecycle enhancements, enriched installer inventory data, and strengthen build and code quality to boost reliability and developer velocity. Key features include deletion/restoration of agent installers with GMP_EMPTY_TRASHCAN support, enrichment of get_agent_installers details with file validity, last_update, and CPEs (plus XML example corrections and minor GMP/filters tweaks), and GMP documentation with a new filter type for agent installers. Also completed build system enhancements (CMake object libraries and variable-driven lists) and extensive refactoring moving resources, settings, commands, GET iterators, and OSP handling into dedicated manage_* modules. Included targeted fixes for headers (include paths) and secinfo_feed_version_status. These changes improve data accuracy, agent lifecycle management, and maintainability, delivering tangible business value through automation, clearer guidance, and scalable architecture.

April 2025

7 Commits • 2 Features

Apr 1, 2025

April 2025 GVMD monthly highlights focused on stability, data integrity, and automation: stabilized configuration and data pipelines, improved scanner/trash handling, ensured accurate usage_type output, hardened relay-related logic, and expanded GMP automation with installer retrieval and a version upgrade. These changes reduce runtime errors, prevent false indicators in sync processes, and enable automated agent deployment and alignment with newer GMP capabilities.

March 2025

6 Commits • 1 Features

Mar 1, 2025

March 2025 monthly summary for greenbone/gvmd: Implemented relay-based scanner configuration and delivered stability fixes to core parsing and CVE config handling, enhancing reliability, deployment clarity, and OSP scanner performance. The work reduces error-prone configuration paths and provides clearer operational controls for scanner relays.

February 2025

16 Commits • 4 Features

Feb 1, 2025

February 2025 recap: Delivered high-impact data ingestion and maintenance improvements across gvmd, gsa, and gvm-libs. Implemented bulk-load data pipelines using SQL COPY for CPE and CVE data, boosting throughput and reliability of vulnerability data pipelines. Added --secinfo-fast_init to accelerate CVE loading with larger batch handling. Refactored timeout preferences for stability and default alignment. Realigned CODEOWNERS to clarify ownership and improve review workflow. Completed code cleanup to improve readability and onboarding. Business value: faster updates, more predictable performance, clearer governance, and reduced operational risk.

January 2025

10 Commits • 3 Features

Jan 1, 2025

January 2025: Implemented substantial CVE scanning and CPE processing enhancements in gvmd and extended CPE utilities in gvm-libs. Modernized CI/CD workflow for CodeQL analysis with a gvm-libs base image and streamlined dependency installation. Added unit tests and alignment to gvm-libs 22.17 for stability and forward compatibility. Delivered reliability fixes in the affected-products pipeline and improved visibility/logging to support faster remediation.

December 2024

7 Commits • 2 Features

Dec 1, 2024

December 2024 monthly summary for gvmd and gvm-libs focused on delivering authentication enhancements, stabilizing data schemas and feeds, and improving compatibility with legacy environments. Key outcomes include enabling Kerberos-based target authentication for the OpenVAS Scanner framework, tightening credential handling with robust error paths, fixing documentation and data schema issues, and improving build compatibility for older images. The month also reduced risk of data processing crashes by making CVE feeds more robust in the face of missing metrics and by aligning SCAP data processing with the correct schema references.

November 2024

6 Commits • 3 Features

Nov 1, 2024

Monthly performance summary for 2024-11 highlighting key feature deliveries, major fixes, and overall business impact across Greenbone projects gsa and gvmd.

Activity

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Quality Metrics

Correctness92.6%
Maintainability91.8%
Architecture90.6%
Performance87.0%
AI Usage20.0%

Skills & Technologies

Programming Languages

CC++CMakeHTMLMakeSQLShellXMLYAML

Technical Skills

API DesignAPI DevelopmentAPI DocumentationAccess ControlAuthenticationAuthentication ProtocolsBackend DevelopmentBug FixBug FixingBug fixingBuild SystemBuild System ConfigurationBuild System IntegrationBuild System ManagementBuild Systems

Repositories Contributed To

3 repos

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

greenbone/gvmd

Nov 2024 Oct 2025
12 Months active

Languages Used

CXMLC++HTMLSQLShellYAMLCMake

Technical Skills

AuthenticationAuthentication ProtocolsBackend DevelopmentBug FixingC programmingDatabase Management

greenbone/gvm-libs

Dec 2024 Oct 2025
5 Months active

Languages Used

CMakeCYAML

Technical Skills

Build System ConfigurationC ProgrammingUnit TestingUtility DevelopmentCode Ownership ManagementDevOps

greenbone/gsa

Nov 2024 Feb 2025
2 Months active

Languages Used

YAML

Technical Skills

CI/CDDockerGitHub ActionsCode Review ManagementDevOps

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