When learning web application security, one of the most important tools to understand is Burp Suite. Burp Suite is a web security testing platform developed by PortSwigger. It allows security professionals to inspect, modify, and test HTTP/HTTPS traffic between a browser and a web application.
Source: [Dev.to](https://dev.to/lokesh_kannan_48aa8ec76d5/burp-suite-what-it-is-why-we-use-it-and-how-it-works-1f7c)