The exercises and course content provided by PentesterLab has allowed for me to continually excel in bug bounties and penetration testing in my career by ensuring that I am well aware of the techniques, methods and attack vectors that any good pentester should know.

I just completed the JSON Web Token exercise and learned so much! As matter of fact, I've learned tons already from just doing the first few exercises. I wish I would have found your site sooner. It's by far the best way to learn web app security!

I just finished the Intercept Badge. I think it’s one of the best on offer [...] I’m really glad to now have some hands-on experience with a few basic examples. The course material and videos are exactly what I needed to quickly learn and execute on the subject matter.

I consider PentesterLab to be a great resource for learning about web application security and ways how it can be subverted. Even though the exercises usually don’t take much time to complete they can teach a lot. I can’t but recommend it, especially to any aspiring junior penetration testers out there