Cristobal Lopez
Software Engineer
Granada, Andalusia, Spain
Summary
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RockstarCristobal Lopez is a software engineer based in Granada, Spain with nine years of experience specializing in back-end development and security engineering. He is an active contributor to the widely used Wazuh open-source security platform, having implemented Windows security audit policy configurations, fixed memory leaks, and strengthened the vulnerability detector across diverse Windows environments. Cristobal pairs hands-on code contributions with clear technical writing, improving Wazuh documentation for agent configuration, OpenSCAP, the API, and installer processes. His work demonstrates a practical focus on reliability and auditability in security tooling, not just feature delivery. Comfortable moving between code and docs, he brings both implementation-level fixes and end-user clarity to complex security systems. Peers can count on him to bridge security engineering and developer-facing documentation in open-source projects.
9 years of coding experience
Github Skills (14)
c1710
technical-writing10
it-security10
ws-api10
vulnerability-detection10
winapi10
c1110
wp-api10
documentation10
security10
openscap9
memory-management9
api-documentation8
windows-installer8
Programming languages (11)
Github contributions (5)
wazuh/wazuh
Aug 2017 - Dec 2019
Wazuh - The Open Source Security Platform. Unified XDR and SIEM protection for endpoints and cloud workloads.
Role in this project:
Back-end Developer & Security Engineer
Back-end Developer & Security EngineerContributions:870 commits, 143 PRs, 966 pushes in 2 years 4 months
Contributions summary:Cristobal uploaded a new header file `win_policies.h` and made several changes to the `syscheckd` module's Windows-related source code, which included implementing and modifying security audit policy configurations, and fixing memory leaks within the module. The user was also involved in the correction and testing of the vulnerability detector, focused on enhancing the integrity of the Wazuh system. These changes involved addressing multiple vulnerabilities and adapting the system to various Windows operating systems.
malware-detectionendpointscompliancecloud-securitysecurity-hardening
wazuh/wazuh-documentation
Sep 2017 - Nov 2019
Wazuh - Project documentation
Role in this project:Technical Writer
Technical WriterContributions:117 commits, 62 PRs, 175 pushes in 2 years 2 months
Contributions summary:Cristobal's contributions primarily focused on improving the documentation for the Wazuh project. The commits include adding, updating, and correcting documentation related to various features, including agent configuration, OpenSCAP, the API, vulnerability detection, and the Windows installer. The user also incorporated release notes and provided examples, demonstrating a strong understanding of the project's functionality.
loganalyzerreferenceintrusion-detectionosseccompliance
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