Leonardo Tamiano developed end-to-end security testing capabilities and vulnerability detectors across the google/security-testbeds and google/tsunami-security-scanner-plugins repositories. He delivered Dockerized CVE testbeds with detailed documentation, enabling reproducible security assessments for vulnerabilities like Tomcat CVE-2017-12617 and PHP-CGI CVE-2024-4577. In Java, he implemented detectors for remote code execution and XXE vulnerabilities, integrating features such as configurable out-of-band detection and callback verification. His work included code quality improvements, dependency injection via Guice, and enhanced HTTP response handling. By focusing on maintainable Gradle build configurations and clear documentation, Leonardo improved both the usability and technical depth of these security tools.