Worked on the google/perfetto repository to enhance security and reliability by extending trusted-origin validation for internal proxies. Developed a feature that recognizes hostnames ending with *.proxy.googlers.com as trusted origins, enabling secure communications through designated proxy domains and reducing the risk of origin spoofing. The implementation involved TypeScript and focused on frontend development with a strong emphasis on security best practices. Comprehensive unit tests were updated and added to validate the new trusted-origin logic, ensuring robust CI coverage and maintainability. This targeted change supports enterprise-grade proxy scenarios while maintaining a minimal risk profile and reinforcing the project’s security posture.