Ethical hacking is otherwise known as the less glamorous penetration testing It is where the hacker tries to penetrate an IT system with the knowledge and permission of the owner. It is a way to work out where the vulnerabilities and weak spots of the system lie in order to thoroughly test how secure a companys (or organisations) cyber position is. It is legal and an extremely useful practice to help companies isolate their issues and prevent the more dangerous problems from occurring.”]
Source: https://gbhackers.com/four-ways-to-be-an-ethical-hacker/