For Hacker we have terms and definitions in 12 topics. The topics are Computer Technology, Digital Imaging, Domain Names, Golf, Information Security, Information Warfare, Internet, Linux, Red Hat, Networking, Security Testing, Spam and Technology.

This is someone that seeks to understand systems strictly for the satisfaction of having that knowledge. Hackers wonder how things work, and have an incredible curiosity. Hackers will sometimes do questionable legal things, such as breaking into systems, but they generally will not cause harm once they break in. Contrast a hacker to the term cracker.
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Slang for a non-professional dedicated computer operator.
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A person who delights in having an intimate understanding of the internal workings of a computers and computer networks in particular. It is also used in the pejorative context to describe a person who breaks into a computer network without authorization and tampers with the system or its contents.
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Peasant player, or poor player.
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A person who illegally gains access to your computer system.
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A person who either breaks into systems for which they have no authorization or intentionally overstep their bounds on systems for which they do have legitimate access, i.e., an unauthorized individual who attempts to penetrate information systems; to browse, steal, or modify data; deny access or service to others; or cause damage or harm in some other way.
An alternative definition provided by a hacker in a white hat . . .a programmer who is an expert in computer security and administration. Hackers have exellent problem solving skills, and use them to get into computer systems with ease. True 'hackers' do not damage the information they find, for the only reason that they 'hack' into systems is for the challenge and 'thrill' they get from it. After 'hacking' into systems, they usually either tell the administrator, or do the security fix themselves and leave. Hackers are not limited to computer security and software, though. Hackers can be also people who modify or 'mod' computer hardware.
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Someone who breaks into your computer (or into a network of computers) over the Internet.
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An individual who is interested in exploring technology, computers, and data/communication networks. The opposite of a hacker is a cracker, whose interests in technology are for malicious or destructive aims.
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Generally, a hacker is anyone who experiments with technology - including computers and networks.
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A person who enjoys exploring the details of computers and how to stretch their capabilities. A malicious or inquisitive meddler who tries to discover information by poking around. A person who enjoys learning the details of programming systems and how to stretch their capabilities, as opposed to most users who prefer to learn on the minimum necessary.
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Someone who intentionally breaches computer security, usually to cause disruption or gain confidential information such as financial details. Originally the word "hacker" referred to any person who was into computer technology, but is now commonly used by the public and media to refer to those who have malicious intentions.
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A computer user who works to understand the "ins and outs" of computers, networks, and the Internet in general. Hackers are generally benign, and believe that information should be free.
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