Security Starter - LINK
Learn the 5 basic areas in IT and cybersecurity
-Networks
-SQL
-Linux
-Windows
-Basics of Security
Masters Web Application Security Testing - LINK
Go through the entire process of conducting a penetration test of a web application. from setting up the environment, through detecting security gaps, to reporting.
WiFi King - LINK
Learn the secrets of how WiFi networks work and hack, and also see how to do it using a cell phone and NetHunter
eHaker.pl platform - LINK
A collection of courses for beginners.