Someone wanted to learn this too, so Grasp built them a personal learning path.
You can keep exploring this one or create a path like this one shaped around you.
Recommended resources
Module 2
Applied Cryptography and Authentication
Module 3
The Threat Landscape
Module 4
Reconnaissance and Scanning
Module 5
Web Application Hacking
Module 6
System Exploitation and Password Cracking
Module 7
Defensive Security and Log Analysis
Module 8