Top 3 Levels of Hacker

Usually a script kiddie does not really have any knowledge or understanding of the complicated underlying technological concepts, and simply follows a plan provided by a more experienced hacker.

Even less experience than a script kiddie is a neophyte, who is a completely new hacker who has very little knowledge of computer technologies or the logic and concepts behind hacking.

A blue hat refers to somebody who is used by computer security consulting firms but is not actually a part of the company; the blue hat is used to test a system prior to its launch to determine whether it has sufficient security or will be susceptible to hacking