During March 2025, Ziegler enhanced the authentication redirect flow for the opencast/opencast repository, focusing on backend development and security. He implemented changes in Java and Properties files to prevent forwarding users to sensitive internal endpoints, such as health.json and stats.json, after login. By refining the DelegatingAuthenticationEntryPoint and adjusting Jetty’s logging configuration to ERROR, Ziegler reduced production log noise while maintaining essential authentication visibility. His work improved access control and minimized risk exposure, aligning with compliance requirements. Although the scope was limited to a single feature, the changes demonstrated careful attention to security hardening and maintainability within the authentication process.