Dynamic Application Security Testing (DAST) is a type of software testing that aims to identify security vulnerabilities in web applications during runtime. It is an active approach to security testing, meaning that the tester actively interacts with the application to uncover vulnerabilities. DAST is performed by simulating various types of attacks, such as SQL injection, cross-site scripting, and URL manipulation, to see how the application responds.
DAST is often performed using commercial or open-source security tools. These tools crawl the application, identify its entry points, and then send malicious payloads to the application.
If the application is vulnerable, the tool will indicate the type of vulnerability and the location of the vulnerability in the code. Dynamic Application Security Testing can complement other types of security testing, such as Static Application Security Testing (SAST) and Penetration Testing (Pen-Testing). SAST scans the application's source code to identify potential vulnerabilities, while Pen-Testing is a manual testing process that simulates a real-world attack to uncover vulnerabilities.
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