A computer security specialist speaks out on VistA content protection or digital rights management in a medical environment: ‘…the field of medical imaging either bans outright or strongly frowns on any form of lossy compression because artifacts introduced by the compression process can cause mis-diagnoses and in extreme cases even become life-threatening. Consider a medical IT worker who’s using a medical imaging PC while listening to audio/video played back by the computer (the CDROM drives installed in workplace PCs inevitably spend most of their working lives playing music or MP3 CDs to drown out workplace noise). If there’s any premium content present in there, the image will be subtly altered by Vista’s content protection, potentially creating exactly the life-threatening situation that the medical industry has worked so hard to avoid. The scary thing is that there’s no easy way around this – Vista will silently modify displayed content under certain (almost impossible-to-predict in advance) situations discernable only to Vista’s built-in content-protection subsystem…’