Sony is at it again:

Hidden Feature in Sony DRM Uses Open Source Code to Add Apple DRM

Monday December 5, 2005 by J. Alex Halderman

For weeks, the blogosphere has been abuzz with tales of intrigue about Sony’s XCP copy protection system. Among the strangest revelations was that XCP itself infringes on the copyrights to several open source software projects. In one case, Sam Hocevar found conclusive evidence that...

Full story here: http://www.freedom-to-tinker.com/?p=940