Worked on security hardening for the microsoft/azure-pipelines-agent repository, focusing on protecting sensitive build metadata in CI/CD workflows. Addressed a privacy concern by implementing a targeted fix in C# to exclude the Build.SourceVersionAuthor variable from VSO command processing, thereby preventing exposure or tampering of author information during pipeline execution. This change improved build integrity and privacy without introducing additional overhead, ensuring compliance with governance standards. Leveraged skills in agent development and DevOps to deliver a clear, traceable solution that maintains the reliability of build processes while reducing the risk of sensitive data leakage in automated build environments.