Cracker

Cracker is a term for those who go into other people's systems and more destructive cracker, usually on a computer network, bypassing passwords or licenses computer programs, computer security against deliberate, deface the (changing the face of web pages) of others even up to delete the data of others, stealing data and generally do their own cracking for profit, malice, or for other reasons as there are challenges. Some of the burglary carried out to demonstrate the security weaknesses of the system.