Dynamic Application Security Testing (DAST) by CloudDefense.AI is a black-box application testing solution that assesses running applications for vulnerabilities without access to the source code. It identifies vulnerabilities in real-time while applications are in action, safeguarding apps without source code access. DAST conducts runtime vulnerability detection, identifying compile-time and runtime issues in web applications, offering real-time protection against threats. It is designed to work across diverse environments and programming languages, ensuring comprehensive security for applications.