Burp Suite is a leading, industry-standard platform for web application security testing, pre-installed on Kali Linux. Developed by PortSwigger, it serves as a powerful toolkit for penetration testers, ethical hackers, and bug bounty hunters to identify and exploit vulnerabilities in web applications. Acting as a man-in-the-middle proxy, Burp Suite intercepts HTTP/HTTPS traffic, enabling detailed analysis, manipulation, and automated scanning. Available in Community (free) and Professional editions, it offers tools like Spider, Scanner, Intruder, and Repeater for comprehensive testing. With features like fuzzing, session management, and extensibility via BApp Store, Burp Suite excels in detecting issues such as SQL injection, XSS, and CSRF, making it essential for securing web applications.