"Cyberpunk" is a political movement that overlaps hackers, crackers, and phreakers.
Some do not engage in those activities but believe in spreading information about them because their manifesto is that
Cyberpunx believes that people should be able to communicate with each other affordably rather than having to phreak the phone system in order to do it. 
They believe that access to the "Matrix" (e.g., the Internet) should be available to everybody rather than forcing people to "hack" in order to get on it. They believe that through the use of FOIA and other methods, governmental information should be freely available so that people don't have to "crack" military and government networks in order to find it out.
Some, like the "cyberpunks," are trying to educate people about using public-key cryptography so that they can protect the privacy of their messages from corporate and governmental snooping. Yet others try and write free software and source code (like the Free Software Foundation) or low-cost recopiable "shareware" so people don't have to pay exorbitant amounts for programs or "crack" them so they can be distributed. They try and create "Freenets" so people can gain access to computer resources they would otherwise need an account for. Some of their activities are more ""controversial"" - like trying to break copyright law and "intellectual property rights" by freely distributing copyrighted material electronically over the nets. Doesent sound so controversial for me thow.
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