Question

meaning of Ethical hacker

Answer 1

Ethical Hacker is a hacker who hacks to prevent illegal hacking. In other words you can say that they are legal hacker. Almost every company or corporation who are connected to internet have a team of Ethical Hackers who prevent the hacking of data.

Answer 2

a person who hacks into a computer network in order to test or evaluate its security, rather than with malicious or criminal intent.