Portswigger Academy The Web Security Academy is a free online training center for web application security. It includes content from PortSwigger's in-house research team.
Free Ethical Hacking Course This tutorial has been prepared for professionals aspiring to learn the basics of Ethical Hacking and make a career as an ethical hacker.
Hacker101 Hacker101 is a free class for web security. Whether you’re a programmer with an interest in bug bounties or a seasoned security professional, Hacker101 has something to teach you.