He built Burp Suite to spare himself the repetitive parts of hacking. Two decades later, the PortSwigger founder is still working on the same problem - with a free school, an outside investor, and AI in the toolkit.
Burp Suite grew from a hobby project with comic sound effects into the daily workbench of web-security professionals. PortSwigger’s real trick is the loop behind it: discover an attack, turn it into a tool, then teach the world how it works.