The company has posted a list of which hotels were targeted, which includes Marriott, Hyatt, Intercontinental, LeMeridien, Renaissance, Sheraton and Westin branches. If you think you've been affected, the company advises you to contact your credit card provider and inform them of the situation. In addition, HEI has pledged that its systems are now clean and that its replacement payment processing system is significantly safer than before. Still, when sweating the cost of that $5 bag of chips, you'd never have thought the price would have climbed even higher.