When you sign a debit card receipt at a large retailer, the store pays your bank an average of 75 cents for every $100 spent, more than twice as much as when you punch in a four-digit code.

Albert Gonzalez, the hacker behind the largest credit and debit card data breach in U.S. history, was sentenced to 20 years in prison Thursday, after he apologized for his lead role in swiping ...