PortSwigger

PortSwigger develops Burp Suite, a widely used toolkit for testing the security of web applications and APIs. The platform is designed for application security professionals, penetration testers and developers who need to inspect requests, manipulate application behavior and identify vulnerabilities before attackers can exploit them. Burp Suite Professional provides tools for manual testing and security research, while Burp Suite Enterprise adds automated scanning for organizations that need recurring assessments across larger application portfolios. The product supports workflows around web applications, APIs and modern authentication patterns, making it relevant to DevSecOps and dedicated AppSec teams. PortSwigger also maintains extensive security research and educational material that helps practitioners understand common web vulnerabilities and testing techniques. Its role is focused on finding application-layer weaknesses rather than endpoint or network protection. It is particularly useful for teams that need both hands-on testing capabilities and automated application vulnerability discovery.