White Hat Hacking is another name for Ethical Hacking. Ethical hackers or white hat hackers hack into a system with prior permission to find out vulnerabilities so that they can be fixed before a person with malicious intent finds them. A white hat hacker should think like a malicious hacker and try to hack the system as a malicious hacker would. And that's why they have to have in-depth knowledge of Hacking techniques, network concepts, Operating system concepts, etc. If you are looking for guide of how to learn Ethical Hacking, then check this link.
To Know more take this Ethical Hacking Course Today.