Hacker (term), a term used in computing for several types of personHacker (computer security) someone who accesses a computer system by circumventing its security systemHacker (hobbyist), who makes innovative customizations or combinations of retail electronic and computer equipmentHacker (programmer subculture), who combines excellence, playfulness, cleverness and exploration in performed activities.Source: Wikipedia
Among those he did:
- Distortion the FBI
- Getting an administrator password in an IBM computer that won gambling.
- Hacking Motorola, NEC, Nokia, Sun Microsystems and Fujitsu Siemens systems
- and much more remarkable.
A white hat hacker named Tsutomu Shimomura been hacked by Kevin's computer system, and there was war hackers. He was arrested by the FBI with the help of a tracking network Tsutomu Shimomura HP brought Mitnick time. But now he was converted and became a writer of books, security consultant, and facilitator.