Sony Music CDs surreptitiously install DRM Trojan horses on PCs by ZDNet's David Berlind -- Reports are beginning to turn up around the Web that discuss how certain CDs from Sony Music come with a Trojan horse-based digital restrictions management (DRM) technology that surreptitiously installs itself as a rootkit on Windows PCs. When software surreptitiously installs a rootkit, it's usually doing so to cover its tracks -- a [...]