A hacker is a person who creates and modifies computer software and computer hardware, including computer programming, administration, and security-related items. The term usually bears strong connotations, but may be either positive or negative depending on cultural context (see the Hacker definition controversy).

In computer programming, a hacker is a programmer who hacks or reaches a goal by employing a series of modifications to exploit or extend existing code or resources. For some, hacker has a negative connotation and refers to a person who "hacks" or uses kludges to accomplish programming tasks that are ugly, inelegant, and inefficient. This negative form of the noun "hack" is even used among users of the positive sense of "hacker".

In computer security, a hacker is a person who specializes in work with the security mechanisms for computer and network systems. While including those who endeavor to strengthen such mechanisms, it more often is used (especially in the Mass Media) to refer to those who seek access despite them.

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Wiley: All New Reference Titles

70-643: Windows Server 2008 Applications Infrastructure Configuration, Package
Microsoft Official Academic Course Tue, 15 Jul 2008 04:00:00 -0000
  Exam 70-643, Windows Server 2008 Applications Platform Configuration.    The newest iteration of the Microsoft Official Academic Course (MOAC) program for network administration courses using Windows Server 2008 and mapping to the Microsoft Certified Technology Specialist (MCTS) 70-643 certification exam. The MOAC IT Professional series is the Official from Microsoft, turn-key Workforce training program that leads to professional certification Read More...
CISSP: Certified Information Systems Security Professional Study Guide, 4th Edition
James Michael Stewart, Ed Tittel, Mike Chapple Tue, 08 Jul 2008 04:00:00 -0000
  Building on the popular Sybex Study Guide approach, this book provides 100% coverage of the CISSP Body of Knowledge exam objectives. You'll find: Read More...
MCTS: Windows Server 2008 Network Infrastructure Configuration: Exam 70-642
William Panek, Tylor Wentworth Tue, 08 Jul 2008 04:00:00 -0000
  Get ready for the new Windows Server 2008 certification track. With Microsoft's release of Windows Server 2008 and a new generation of certification exams, network administrators have more reason than ever to certify their expertise in the world's leading server software. Inside, find the full coverage you need to prepare for Exam 70-642: Windows Server 2008 Network Infrastructure, Configuring, Read More...
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William Shakespeare, Mary Ellen Snodgrass Mon, 23 Jun 2008 04:00:00 -0000
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William Shakespeare, Mary Ellen Snodgrass Mon, 23 Jun 2008 04:00:00 -0000
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William Shakespeare, Mary Ellen Snodgrass Mon, 23 Jun 2008 04:00:00 -0000
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