In October 1999, a small group of hackers 1 developed the program DeCSS
(for “ Decrypt Content Scrambling System ” ) to crack the encryption system
on commercial DVDs and posted the software and its code on the Internet,
distributing it worldwide. The DeCSS source code and the DeCSS application
served as tools for those individuals designing DVD players for computers
running on the Linux operating system. Because all DVD players
must have a way of decrypting the information on a DVD before they can
play the movie, DeCSS was invaluable in developing early DVD player
technology for computers using operating systems other than Windows or
Mac OS (Warren 2005).
The DVD Copy Control Association (a consortium of copyright interests
such as movie studios who license CSS), following the release of
DeCSS in 2000, mounted a legal campaign against Internet sites publishing
the DeCSS code, distributing the application, or linking to sites
distributing the application and code. They argued that DeCSS violated
the Digital Millennium Copyright Act (DMCA) of 1998 2 by allowing
the circumvention of technology designed for copyright protection
and by promoting unsanctioned copying and distribution of protected
material.