An American hacker of three decades has explained why he turned his back on being a 'black hat' in favour of a career with a ...

In other words, a "bad guy." Contrast with white hat hacker and blue hat hacker. THIS DEFINITION IS FOR PERSONAL USE ONLY. All other reproduction requires permission.

People who break into a computer system and inform the company that they have done so. They are either concerned employees or security professionals who are paid to find vulnerabilities.

White hat hacking, often referred to as ethical ... employing the same methods as malicious hackers (black hat hackers) but with a significant difference: they do so with permission and for ...