It appears that older (maybe 2 years back?) CDR drives do not have the MediaCloq protection embedded in the drive hardware. Read in this Forum for some users that have them.
Keep this in mind when buying CDG discs. If you buy MediaCloq protected discs, you ENCOURAGE that manufacturer to continue doing this. If no one buys MediaCloq discs, they will get the message.
Economic voting usually works. 