There's no technology that's 100% safe from fraud or social engineering. Those are predators that walk the cyber landscape, and just like hunter gatherers had to watch out for saber-toothed tigers and dire wolves, modern consumers have to keep an eye out for scammers and spammers.
So, it comes as little surprise that Fox New York (via Consumerist) reports iTunes is among the many attack vectors Bad Guys use when committing their fraud.