Jeroen Burgerhout focused on maintaining and improving documentation for the microsoft/zerotrustassessment repository during October 2025. He addressed a critical issue by correcting an outdated Intune Security Guidance link in the README, ensuring users could reliably access the latest security recommendations. His technical approach emphasized accuracy and maintainability, validating all security references to align with current Intune standards. Jeroen utilized Markdown for documentation updates and applied technical writing skills to clarify repository guidance. While no new features were introduced, his work enhanced the project’s readiness for future development and contributed to the overall reliability and clarity of the documentation base.