Alex Vidal developed and deployed an unsigned-commit policy across several DataDog repositories, focusing on balancing security with developer efficiency. In DataDog/documentation, Alex implemented a blocking warning system in the pull request workflow that notifies authors via Slack when unsigned commits are detected, while DataDog/integrations-core received a non-blocking version to inform contributors without disrupting progress. For DataDog/system-tests, Alex enhanced CI/CD stability by excluding GitHub Actions commits from signature checks and updating compute_impacted_scenario.py to prevent unnecessary computations. These solutions leveraged Python scripting, YAML configuration management, and Slack integration, demonstrating thoughtful application of DevOps and CI/CD best practices.