Hacktivisme (Topical Term)

Network dictionary, Nov. 1, 2010 ("Hacktivism is the act of hacking, or breaking into a computer system, for a politically or socially motivated purpose. The individual who performs an act of hacktivism is said to be a hacktivist.")

Wiktionary, Nov. 1, 2010 ("The practice of promoting a political agenda by hacking, especially by defacing or disabling websites.")

Wikipedia, Nov. 1, 2010 ("... hacktivism could be defined as 'the nonviolent use of illegal or legally ambiguous digital tools in pursuit of political ends. These tools include web site defacements, redirects, denial-of-service attacks, information theft, web site parodies, virtual sit-ins, virtual sabotage, and software development.')

Google search, Nov. 1, 2010 (hactivism, hacker activism)

Here are entered works on the practice of breaking into computer systems and using techniques such as defacing or disabling Web sites, redirects, denial-of-service attacks, information theft, Web site parodies, etc., for politically or socially motivated purposes.