Seems if you were dining at the bar/restaurants at properties run by this group you are at risk. Check your stays, see if you are at risk
White Lodging, based in Merrillville, Indiana, issued a statement Monday saying the breach occurred from March 20 to December 16 and affected only people who used their credit cards in the affected hotels' restaurants and bars. The 14 hotels include Marriott, Radisson, Renaissance, Sheraton, Westin and Holiday Inn franchises around the country.
Read more: http://www.wesh.com/news/money/report-hilton-marriott-sheraton-westin-records-hacked/-/11787962/24251508/-/q4obgjz/-/index.html#ixzz2sK46bEoq