RICHMOND, VA--(Marketwired - Jul 25, 2014) - The convenience of debit and credit cards has come with the risk of cyberattacks and fraud. Hacking of payment systems has led not only to direct costs for financial institutions and retail businesses, but also damage to company reputations and stock prices. Yet making systems more secure isn't free, either -- and the companies that would bear the cost of upgrading aren't necessarily the ones that would benefit. The cover story in the latest issue of Econ Focus looks at these and other economic problems involved in payment security.