Free Training

Here is a collection of free training resources I have found helpful:

• Free Cybersecurity Resources Provided by SANS

• Cyber Tom -YouTube Channel

• Free Training (120 hours)  preparing for the Cisco Certified Support Technician (CCST) Cybersecurity

• Subnetting Mastery IPv4

• Chris Greer YouTube videos on mastering Wireshark and TCP

• Subnetting Made Simple by Carl Oliver – My favorite video explaining subnetting 

• The wargames offered by the OverTheWire community can help you to learn and practice security concepts in the form of fun-filled games. 
  https://overthewire.org/wargames/

• Computer Networking a Top Down Approach – 7th Edition

• The Art of Hacking by Omar Santos https://www.youtube.com/@TheArtofHacking/videos

• https://websploit.org/ WebSploit Labs – Includes hundreds of exercises and intentionally vulnerable applications by Omar Santos

• h4cker.org Cybersecurity, Ethical Hacking, Penetration Testing resources by Omar Santos

• Binary Exploitation for Beginners