Ethical hacking and hacking

What is hacking ?

Hacking is a process in which hacker attack on target system without his/her will.....

What is Ethical hacking ?

 Ethical hacking is a process in which hacker penatrate to your system and try to find weakness in your computer and then fixed it.......And the penetration to computer is done with user permission if user not allow him/her then he will do nothing...