求救：一篇关于黑客的英语作文

Hacker describes a class of people who create and modify computer software and computer hardware, including people skilled in computer programming, administration and security.

In computer programming, 'hacker' means a programmer who hacks or reaches a goal by employing a series of modifications to exploit or extend existing code or resources. In computer security, hacker translates to a person able to exploit a system or gain unauthorized access through skill and tactics. This usually refers to a black hat hacker. There are also ethical hackers (white hats), and grey hats. In other technical fields, hacker is extended to mean a person who makes things work beyond perceived limits through their own technical skill, such as a hardware hacker, or reality hacker. However, for some the word has a negative connotation and refers to a person who "hacks" or uses kludges to accomplish programming tasks that are ugly, inelegant, and inefficient. The negative form