In June 2025, Alex Dawson contributed a CrossOriginProtection example to the golang/go repository, focusing on secure server-side cross-origin request handling. Using Go and leveraging backend development and API security best practices, Alex developed a middleware pattern for the net/http package that blocks non-safe cross-origin requests. The example included practical code, detailed testing guidance, and actionable recommendations to help teams avoid common misconfigurations. By providing a copy-ready implementation, Alex enabled faster onboarding for developers aiming to secure web applications. The work demonstrated a clear understanding of security principles and addressed a concrete need for safer cross-origin setups in Go projects.