Hello, I found this interesting website which provides online browser-based penetration testing labs and it is free and under beta version. I played many challenges and solved. Learned unreal and its' damn fun. Check this out:
Below are the useful links to register yourself:
Lab Image: https://pasteboard.co/HFWHoVs.png
Invitation Link (You can use your normal email also): https://docs.google.com/forms/d/e/1FAIp ... Q/viewform
Online Lab Platform: https://public.attackdefense.com
Lab Preview Video: https://youtube.com/watch?v=DllfHZZCNoY
Twitter: https://twitter.com/SecurityTube