Describe some of the challenges that the three main stakeholders of payment card systems—i.e., payment card companies (Visa, MasterCard, et al), merchants and vendors (small, large, online, brick-and-mortar), and consumers—face vis-à-vis technologies, business challenges, and legal challenges within the PCI domain.

Describe some of the challenges that the three main stakeholders of payment card systems—i.e., payment card companies (Visa, MasterCard, et al), merchants and vendors (small, large, online, brick-and-mortar), and consumers—face vis-à-vis technologies, business challenges, and legal challenges within the PCI domain.