In June 2025, Alex Dawson contributed to the golang/go repository by developing a CrossOriginProtection example for the net/http package. This work provided a practical middleware pattern in Go, demonstrating how to implement server-side controls that block non-safe cross-origin requests. Alex focused on backend development and API security, delivering a copy-ready code sample with detailed testing guidance to help teams avoid common misconfigurations. By aligning with security best practices, the example enables developers to adopt secure-by-default patterns more easily. The contribution enhanced onboarding for Go developers, offering actionable resources to accelerate the development of safer web applications.