"Hacking" carries a lot of negativity around it, but not all hacking is used for evil. Learning about it arms you with the necessary knowledge to deal with it, so ethical hacking lets you be the good guy. If you want to learn more about ethical hacking, check out this exploration into the world of penetration testing.
Image by reynermedia.
Penetration testing (or pen testing) is basically a form of security research. Your goal as a pen tester is to identify weaknesses in a network's security. Science Alert has this whole course that's a great introduction to ethical hacking, and as of this writing, are offering over 16 hours of lessons for $US25 ($34).
Keep in mind that this course will not be enough to make you a qualified pen tester. Ethical hacking certifications, such as the Certified Penetration Tester or Certified Ethical Hacker, can cost hundreds of dollars.
And it's often not as sexy as Mr. Robot makes things seem. If you truly have a knack and passion for IT security, becoming a professional pen tester is a sensible career option.
Become an Ethical Hacker Course [Science Alert Academy]