Why there is a need for ethical hacking and penetration testing because there is a hacking for anti hacking is a basic need, but from where and how the term hacking started ? We can say that the history of hacking is along with the history of computer (information). Now a days people think that hacking means computer hacking but in my views no there is and there was a analog hacking beside these digital hacking like mind science or human hacking.
Well this is a long discussion so what actually the history of hacking? Below is a inforgraphic that shows the history of hacking in a time-line.