Nasr Mohamed focused on security hardening for the cloudflare/capnweb repository, addressing a critical issue with WebSocket endpoint encryption. He migrated the WebSocket API URL from HTTP to WSS, ensuring all real-time communications are encrypted and compliant with modern security standards. Using TypeScript and leveraging his skills in API integration and documentation, Nasr updated both the codebase and related documentation to reflect the secure endpoint. His work maintained system stability, deploying the changes without introducing regressions or impacting downstream clients. This targeted bug fix improved the project’s security posture and client trust, demonstrating careful attention to detail and compliance readiness.