Victims of Sabre Corp’s SynXis reservation system breach reportedly include both the Hard Rock Hotel and Casino chain and the Loews Hotel chain.

Travel services company Sabre Corp. said in a SEC filing that its investigating a data breach in its Hospitality Solutions reservation system.

Hotels from Vermont to California have been victimized in a data breach that may have leaked payment data from tens of thousands of point of sale purchases. Customers who frequented 20 hotels run by HEI Hotels and Resorts, a hospitality owner that counts hotel chains like Marriott, Sheraton, and Westin, among its brand names, may be...