This is a collection of useful links for ethical hacking, pentesting, ctf.
Hack The Box is a really great platform for improving your pentest skills. There are a bunch of boxes with different difficulties waiting for you to root them. My favourite plattformGo to hackthebox.eu
exploit.education provides a variety of resources that can be used to learn about vulnerability analysis, exploit development, software debugging, binary analysis, and general cyber security issues.Go to exploit.education
PentesterLab provides vulnerable systems that can be used to test and understand vulnerabilities and improve your web penetration testing skills.Go to pentesterlab.com