Concerns have been raised about Mac App Store security after a simple cut-and-paste workaround was found that defeats copy protection for some paid apps. While many pundits are blaming developers for not following Apple's security guidelines, others are pointing out that the recommendations are complicated and incomplete.
Just hours after apps began appearing on the Mac App Store yesterday, news emerged that you could get around the copy protection on some apps by exchanging the receipt and signature files with ones from a free app. John Gruber of Daring Fireball said the vulnerability was due to poor programming, saying that "it appears that many apps don't perform any validation whatsoever," and urged Apple to "test for this in the review process