
Tomas Turina engineered core agent and backend features for the wazuh/wazuh and wazuh/wazuh-agent repositories, focusing on cross-platform reliability, data synchronization, and build system modernization. He refactored critical modules in C and C++, introducing robust message queues, UTF-8/UTF-16 compatibility, and persistent state management to improve agent coordination and internationalization. By migrating legacy Makefiles to CMake and integrating CI/CD pipelines, Tomas streamlined deployment and testing across Windows, Linux, and macOS. His work included protocol design, database schema evolution, and enhanced logging, resulting in more resilient agent communication, easier upgrades, and maintainable codebases that support scalable, secure deployments.
March 2026 focused on strengthening monitoring reliability, stabilizing the unit test suite after message format changes, and expanding documentation to support backups/upgrades and local build procedures for wazuh/wazuh. Delivered concrete improvements to agent disconnection observability, ensured unit tests reflect updated internal messages, and provided thorough documentation to reduce maintenance risk and accelerate onboarding for on-prem deployments.
March 2026 focused on strengthening monitoring reliability, stabilizing the unit test suite after message format changes, and expanding documentation to support backups/upgrades and local build procedures for wazuh/wazuh. Delivered concrete improvements to agent disconnection observability, ensured unit tests reflect updated internal messages, and provided thorough documentation to reduce maintenance risk and accelerate onboarding for on-prem deployments.
February 2026 performance summary for wazuh/wazuh: Delivered a major modernization of the build system and cross-component CMakes, enabling consistent, scalable builds. Migrated critical components to cmake across rootcheck, config/modulesd library, libwazuh.a, agentd, logcollector, execd, monitord, wazuh db, remoted, authd, active responses, and related Windows/build cleanup. This reduces Makefile drift and improves cross-plat reliability. Standardized agent naming and addressed mappings to wazuh.agent across agents and indexer connectors, eliminating reference gaps. Moved error messages to a shared component to ensure consistency and reuse. Enhanced cluster keepalive by using cluster name and node from agent messages and expanded parse_json_keepalive coverage for new cluster cases. Updated the environment to Ubuntu 24.04 for RTR runners, and completed Windows/external dependencies migration to cmake, with agent/manager compilation separation for better modularity. Completed codebase cleanup, removing unused internal modules and simplifying protocol/server references, plus macOS linking fixes and miscellaneous build/test improvements. The combination of these changes improves build reliability, deployment speed, cross-platform consistency, and overall maintainability, delivering business value through faster iterations, fewer regressions, and a stronger foundation for future features.
February 2026 performance summary for wazuh/wazuh: Delivered a major modernization of the build system and cross-component CMakes, enabling consistent, scalable builds. Migrated critical components to cmake across rootcheck, config/modulesd library, libwazuh.a, agentd, logcollector, execd, monitord, wazuh db, remoted, authd, active responses, and related Windows/build cleanup. This reduces Makefile drift and improves cross-plat reliability. Standardized agent naming and addressed mappings to wazuh.agent across agents and indexer connectors, eliminating reference gaps. Moved error messages to a shared component to ensure consistency and reuse. Enhanced cluster keepalive by using cluster name and node from agent messages and expanded parse_json_keepalive coverage for new cluster cases. Updated the environment to Ubuntu 24.04 for RTR runners, and completed Windows/external dependencies migration to cmake, with agent/manager compilation separation for better modularity. Completed codebase cleanup, removing unused internal modules and simplifying protocol/server references, plus macOS linking fixes and miscellaneous build/test improvements. The combination of these changes improves build reliability, deployment speed, cross-platform consistency, and overall maintainability, delivering business value through faster iterations, fewer regressions, and a stronger foundation for future features.
January 2026 monthly work summary for wazuh/wazuh focusing on remote management enablement, telemetry reliability, and build/test stability. Delivered remoted documentation and enrichment settings, extended Windows keep-alive payload with architecture and hostname, and implemented robust agent metadata lifecycle. Strengthened build and testing pipelines to accelerate release readiness and reduce runtime risk. Implemented parsing and compatibility fixes to improve agent-version interoperability across 4.x/5.x keep-alives and Windows environments.
January 2026 monthly work summary for wazuh/wazuh focusing on remote management enablement, telemetry reliability, and build/test stability. Delivered remoted documentation and enrichment settings, extended Windows keep-alive payload with architecture and hostname, and implemented robust agent metadata lifecycle. Strengthened build and testing pipelines to accelerate release readiness and reduce runtime risk. Implemented parsing and compatibility fixes to improve agent-version interoperability across 4.x/5.x keep-alives and Windows environments.
Month: 2025-12 — Delivered three major features for wazuh/wazuh focused on reliability, performance, and observability; improved data integrity in inventory synchronization and indexing; expanded agent metadata for better monitoring and management; and reinforced test coverage.
Month: 2025-12 — Delivered three major features for wazuh/wazuh focused on reliability, performance, and observability; improved data integrity in inventory synchronization and indexing; expanded agent metadata for better monitoring and management; and reinforced test coverage.
November 2025 monthly summary for wazuh/wazuh: Delivered substantial reliability, data integrity, and disaster-recovery (DR) improvements across multiple subsystems. Implemented agent info synchronization with the agentd receiver, enhanced metadata/groups recovery flows, and added disaster recovery logic with pre-metadata flush to ensure consistent state during DR events. Stabilized metadata/groups recovery and DR-related logging/queries, including flushing data after pending sessions. Completed Inventory Sync enhancements by moving logic into inventory sync, fixing indexer connector HTTP usage, and introducing data context improvements (flatbuffer ID) for better data correlation. Strengthened concurrency and data integrity with detection of sessions that own a lock, improved checksum handling to avoid races with pending indexer operations, and a time integrity fix. Improved deployment readiness and observability through server installation instructions, updated inventory sync documentation, log noise reduction in inventory sync, and Windows stop behavior fixes.
November 2025 monthly summary for wazuh/wazuh: Delivered substantial reliability, data integrity, and disaster-recovery (DR) improvements across multiple subsystems. Implemented agent info synchronization with the agentd receiver, enhanced metadata/groups recovery flows, and added disaster recovery logic with pre-metadata flush to ensure consistent state during DR events. Stabilized metadata/groups recovery and DR-related logging/queries, including flushing data after pending sessions. Completed Inventory Sync enhancements by moving logic into inventory sync, fixing indexer connector HTTP usage, and introducing data context improvements (flatbuffer ID) for better data correlation. Strengthened concurrency and data integrity with detection of sessions that own a lock, improved checksum handling to avoid races with pending indexer operations, and a time integrity fix. Improved deployment readiness and observability through server installation instructions, updated inventory sync documentation, log noise reduction in inventory sync, and Windows stop behavior fixes.
October 2025 focused on stabilizing and refining CI for wazuh/wazuh package builds, delivering measurable reliability gains and reducing CI maintenance. Key actions included refactoring GitHub Actions workflows for the Wazuh package builds, removing redundant input definitions, and tightening pull request branch filtering for the 5.X line to ensure correct triggering. A targeted fix was implemented and validated in the packages builder workflows (commit 9aa6965c4641a697a3bd6f8a4ba4bcf6c6668c20), addressing triggering inconsistencies and flaky behavior.
October 2025 focused on stabilizing and refining CI for wazuh/wazuh package builds, delivering measurable reliability gains and reducing CI maintenance. Key actions included refactoring GitHub Actions workflows for the Wazuh package builds, removing redundant input definitions, and tightening pull request branch filtering for the 5.X line to ensure correct triggering. A targeted fix was implemented and validated in the packages builder workflows (commit 9aa6965c4641a697a3bd6f8a4ba4bcf6c6668c20), addressing triggering inconsistencies and flaky behavior.
September 2025: Stability, reliability, and SCA-driven enhancements across wazuh/wazuh, wazuh-documentation, and qa-integration-framework. Key outcomes include Windows AgentD runners stability, RPM5 state/manager file fixes, stateless inventory ID calculation, ISO 8601 timestamp handling, and SCA integration with sync_protocol and state tracking. Documentation updates added SCA state persistence controls and a skip_nfs deprecation note. QA reliability improved through targeted config pattern fixes. Overall impact: reduced incident rates, faster feedback loops, and clearer guidance for operators and security teams. Technologies/skills demonstrated include Windows/Unix build and test stabilization, C/C++ maintenance, time format normalization, UTF-8 handling considerations, concurrency controls, and state persistence design.
September 2025: Stability, reliability, and SCA-driven enhancements across wazuh/wazuh, wazuh-documentation, and qa-integration-framework. Key outcomes include Windows AgentD runners stability, RPM5 state/manager file fixes, stateless inventory ID calculation, ISO 8601 timestamp handling, and SCA integration with sync_protocol and state tracking. Documentation updates added SCA state persistence controls and a skip_nfs deprecation note. QA reliability improved through targeted config pattern fixes. Overall impact: reduced incident rates, faster feedback loops, and clearer guidance for operators and security teams. Technologies/skills demonstrated include Windows/Unix build and test stabilization, C/C++ maintenance, time format normalization, UTF-8 handling considerations, concurrency controls, and state persistence design.
August 2025 monthly summary focusing on business value and technical achievements across wazuh/wazuh, wazuh/qa-integration-framework, and wazuh/wazuh-documentation.
August 2025 monthly summary focusing on business value and technical achievements across wazuh/wazuh, wazuh/qa-integration-framework, and wazuh/wazuh-documentation.
July 2025 performance summary for the Wazuh developer trajectory across wazuh/wazuh, wazuh/qa-integration-framework, and wazuh/wazuh-documentation. Focused on strengthening 5.x readiness, data integrity, cross‑platform reliability, and test maturity, delivering business value through robust encoding support, durable state persistence, and streamlined configurations.
July 2025 performance summary for the Wazuh developer trajectory across wazuh/wazuh, wazuh/qa-integration-framework, and wazuh/wazuh-documentation. Focused on strengthening 5.x readiness, data integrity, cross‑platform reliability, and test maturity, delivering business value through robust encoding support, durable state persistence, and streamlined configurations.
June 2025: Focused on cross-component synchronization and Windows internationalization for wazuh/wazuh. Delivered foundational agent synchronization protocol with build scaffolding, interfaces, and initial agent-side implementation; refactored to use a message queue for inter-component synchronization messaging (send/receive acks and data chunks) with updated build configuration. Added Windows UTF-16 compatibility wrappers for file and security operations, and updated the Makefile to include UTF-8 wrapper sources, enabling proper handling of UTF-8 paths on Windows and improving internationalization. These efforts improve cross-platform reliability, data integrity in agent coordination, and set the foundation for scalable, future-proof synchronization across environments.
June 2025: Focused on cross-component synchronization and Windows internationalization for wazuh/wazuh. Delivered foundational agent synchronization protocol with build scaffolding, interfaces, and initial agent-side implementation; refactored to use a message queue for inter-component synchronization messaging (send/receive acks and data chunks) with updated build configuration. Added Windows UTF-16 compatibility wrappers for file and security operations, and updated the Makefile to include UTF-8 wrapper sources, enabling proper handling of UTF-8 paths on Windows and improving internationalization. These efforts improve cross-platform reliability, data integrity in agent coordination, and set the foundation for scalable, future-proof synchronization across environments.
May 2025 monthly summary for wazuh-agent focusing on SCA policy engine modernization and release readiness. Delivered a major modernization of the SCA policy engine with a new interface, enhanced content and registry checks, central utilities, and improved logging and scan lifecycle. Fixed a series of SCA-related bugs, including regex checks coverage, refactoring to SCA utils, creation of CheckMatch to reduce duplication, added missing debug logs, log when stopping an ongoing scan, and switched to sysinfo for reliability. Prepared the project for a major release by bumping version to 6.0.0 across configuration and docs. These efforts improve detection accuracy, reliability, and maintainability while enabling faster future enhancements.
May 2025 monthly summary for wazuh-agent focusing on SCA policy engine modernization and release readiness. Delivered a major modernization of the SCA policy engine with a new interface, enhanced content and registry checks, central utilities, and improved logging and scan lifecycle. Fixed a series of SCA-related bugs, including regex checks coverage, refactoring to SCA utils, creation of CheckMatch to reduce duplication, added missing debug logs, log when stopping an ongoing scan, and switched to sysinfo for reliability. Prepared the project for a major release by bumping version to 6.0.0 across configuration and docs. These efforts improve detection accuracy, reliability, and maintainability while enabling faster future enhancements.
April 2025 monthly summary focusing on key deliverables across wazuh-agent and wazuh: cross-platform build/CI stabilization; Windows packaging optimization; SCA enhancements; agent communication framework improvements; and sync status reliability enhancements with DB upgrades and unit tests. These workstreams improved build reliability, packaging quality, security checks, and operational reliability in agent deployment and DB operations, delivering measurable business value in faster, more secure deployments and easier maintenance.
April 2025 monthly summary focusing on key deliverables across wazuh-agent and wazuh: cross-platform build/CI stabilization; Windows packaging optimization; SCA enhancements; agent communication framework improvements; and sync status reliability enhancements with DB upgrades and unit tests. These workstreams improved build reliability, packaging quality, security checks, and operational reliability in agent deployment and DB operations, delivering measurable business value in faster, more secure deployments and easier maintenance.
March 2025 wazuh-agent monthly summary: Focused on modernization, build-system improvements, and cross-platform reliability to drive maintainability and faster delivery. Key initiatives included clang-format/clang-tidy modernization across codebase with a new clang-format workflow; codebase reorganization of utils with two new targets; unification of SQLite wrappers and merging promise_helper with thread_dispatcher; Data Provider build-system improvements (cmakefile, style fixes, clang-tidy integration, scaffolding/options); and Windows deployment simplification via static linking of VCPKG libraries.
March 2025 wazuh-agent monthly summary: Focused on modernization, build-system improvements, and cross-platform reliability to drive maintainability and faster delivery. Key initiatives included clang-format/clang-tidy modernization across codebase with a new clang-format workflow; codebase reorganization of utils with two new targets; unification of SQLite wrappers and merging promise_helper with thread_dispatcher; Data Provider build-system improvements (cmakefile, style fixes, clang-tidy integration, scaffolding/options); and Windows deployment simplification via static linking of VCPKG libraries.
February 2025 highlights: Cross-repo enhancements delivered measurable business value through Microsoft Graph improvements, network reliability refinements, and CI/build modernization, enabling faster data access, richer security telemetry, and stronger developer velocity. Key features delivered: - MS Graph module: configurable page_size across ms-graph with default 50 and accompanying tests to ensure consistent behavior across endpoints. - MS Graph module: added time_delay configuration and validation to control scan polling cadence, with unit/integration tests. - MS Graph: enhanced riskDetections ingestion, including riskDetections relationships and related events, with tests and rules for security monitoring. - Network robustness: implemented proper socket shutdown and dynamic ephemeral port binding to avoid port conflicts across IPv4/IPv6. - wazuh-agent: build system modernization with a CMake-based workflow, test integration for common modules, and enabling macOS tests; documentation deployment updated to ubuntu-24.04 runner. - MS Graph module backport: aligned related changes to wazuh-agent for consistent behavior across modules. Major bugs fixed: - Agent auto-restart behavior: adjusted restart handling after intermittent connection loss, including a subsequent revert to balance resilience and stability. - Network fixes: confirmed fixes for socket shutdown and port binding to prevent lingering resources and port conflicts. Overall impact and accomplishments: - Improved data retrieval performance and reliability for Microsoft Graph-backed workflows, enhanced security monitoring via riskDetections, and stabilized agent resilience under flaky network conditions. The build/test pipeline is now faster and more reliable across macOS and Ubuntu runners, accelerating developer feedback and release readiness. Technologies/skills demonstrated: - CMake-based build modernization, Google Test integration, macOS testing, and GitHub Actions workflow updates. - MS Graph integration patterns: page_size configuration, time_delay sequencing, and riskDetections ingestion. - Network programming best practices: graceful socket shutdown and dynamic port binding across IPv4/IPv6. - Testing strategy: unit, integration, and end-to-end tests ensuring behavior under invalid inputs and edge cases.
February 2025 highlights: Cross-repo enhancements delivered measurable business value through Microsoft Graph improvements, network reliability refinements, and CI/build modernization, enabling faster data access, richer security telemetry, and stronger developer velocity. Key features delivered: - MS Graph module: configurable page_size across ms-graph with default 50 and accompanying tests to ensure consistent behavior across endpoints. - MS Graph module: added time_delay configuration and validation to control scan polling cadence, with unit/integration tests. - MS Graph: enhanced riskDetections ingestion, including riskDetections relationships and related events, with tests and rules for security monitoring. - Network robustness: implemented proper socket shutdown and dynamic ephemeral port binding to avoid port conflicts across IPv4/IPv6. - wazuh-agent: build system modernization with a CMake-based workflow, test integration for common modules, and enabling macOS tests; documentation deployment updated to ubuntu-24.04 runner. - MS Graph module backport: aligned related changes to wazuh-agent for consistent behavior across modules. Major bugs fixed: - Agent auto-restart behavior: adjusted restart handling after intermittent connection loss, including a subsequent revert to balance resilience and stability. - Network fixes: confirmed fixes for socket shutdown and port binding to prevent lingering resources and port conflicts. Overall impact and accomplishments: - Improved data retrieval performance and reliability for Microsoft Graph-backed workflows, enhanced security monitoring via riskDetections, and stabilized agent resilience under flaky network conditions. The build/test pipeline is now faster and more reliable across macOS and Ubuntu runners, accelerating developer feedback and release readiness. Technologies/skills demonstrated: - CMake-based build modernization, Google Test integration, macOS testing, and GitHub Actions workflow updates. - MS Graph integration patterns: page_size configuration, time_delay sequencing, and riskDetections ingestion. - Network programming best practices: graceful socket shutdown and dynamic port binding across IPv4/IPv6. - Testing strategy: unit, integration, and end-to-end tests ensuring behavior under invalid inputs and edge cases.
January 2025 (2025-01) monthly summary for wazuh/wazuh-agent focusing on delivered features, major bug fixes, impact, and skills demonstrated. Highlights include a complete persistence layer overhaul, queue integration enhancements, command handling refactor, centralized configuration with namespace scoping, and documentation/quality improvements that together improve reliability, performance, and maintainability.
January 2025 (2025-01) monthly summary for wazuh/wazuh-agent focusing on delivered features, major bug fixes, impact, and skills demonstrated. Highlights include a complete persistence layer overhaul, queue integration enhancements, command handling refactor, centralized configuration with namespace scoping, and documentation/quality improvements that together improve reliability, performance, and maintainability.
December 2024 — wazuh-agent: Strengthened security, reliability, and data throughput across the agent lifecycle. Delivered a set of targeted features, fixed critical race and resource leaks, and improved observability to enable scalable deployments and faster issue resolution.
December 2024 — wazuh-agent: Strengthened security, reliability, and data throughput across the agent lifecycle. Delivered a set of targeted features, fixed critical race and resource leaks, and improved observability to enable scalable deployments and faster issue resolution.
November 2024 monthly summary for wazuh-agent (wazuh/wazuh-agent). Focused on delivering maintainability, reliability, and data quality enhancements while expanding system observability and deployment control. Highlights include documentation, metadata enrichment, data-provider integration, configuration and time parsing improvements, and lifecycle enhancements that improve deployment readiness and operator control.
November 2024 monthly summary for wazuh-agent (wazuh/wazuh-agent). Focused on delivering maintainability, reliability, and data quality enhancements while expanding system observability and deployment control. Highlights include documentation, metadata enrichment, data-provider integration, configuration and time parsing improvements, and lifecycle enhancements that improve deployment readiness and operator control.
Month: 2024-10 — Wazuh Agent: Focused on reducing technical debt and improving developer onboarding through targeted documentation and cleanup. Delivered comprehensive documentation updates across agent.hpp, cmd_ln_parser.hpp, signal handler interfaces/implementation, and task manager interfaces. Completed dead code cleanup by removing unused m_registrationUrl and clarifying agent_registration.hpp. These changes enhance readability, reduce maintenance burden, and sharpen the agent module's interfaces for future feature work, enabling faster iteration and more reliable releases. Demonstrated proficiency in C++ code documentation, interface design, and disciplined refactoring.
Month: 2024-10 — Wazuh Agent: Focused on reducing technical debt and improving developer onboarding through targeted documentation and cleanup. Delivered comprehensive documentation updates across agent.hpp, cmd_ln_parser.hpp, signal handler interfaces/implementation, and task manager interfaces. Completed dead code cleanup by removing unused m_registrationUrl and clarifying agent_registration.hpp. These changes enhance readability, reduce maintenance burden, and sharpen the agent module's interfaces for future feature work, enabling faster iteration and more reliable releases. Demonstrated proficiency in C++ code documentation, interface design, and disciplined refactoring.

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