Traditionally, a Hacker is someone who likes to play with Software or Electronic Systems. Hackers enjoy Exploring and Learning how Computer systems operate. They love discovering new ways to work electronically.
Recently, Hacker has taken on a new meaning — someone who maliciously breaks into systems for personal gain. Technically, these criminals are Crackers as Criminal Hackers. Crackers break into systems with malicious intentions.
A Hacker is basically a Person Who breaks into a computer network for the purpose of finding the vulnerability or to gain unauthorized access.