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2. grey hat
Someone who works on the computer, especially hacking that hacks into systems not to look for anomalies or to destroy a system. They're basically in there screwing around causing minor or no damage.
Kevin Mitnick
by silver bishop Feb 1, 2004 add a video
1. grey hat
A grey hat is some one with a mixture of black and white hat experience. Usually, a grey hat is someone who performs network security or system security analysis for organizations.
BOB the grey hat will scan your webserver for vulnerabilities for x amount of $. When he gets home he will reverse engineer microsoft products using stolen windows code.
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