Radisson Hotels & Resorts’ chief operating officer Fredrik Korallus says computer systems at some Radisson hotels in the U.S. and Canada had been accessed illegally. The data accessed may have included guest information such as the name printed on a guest’s credit card or debit card. Radisson is offering those potentially affected with free credit monitoring for a year. In the first half of 2009, the number of computer users affected by malware engineered to steal personal information increased by 600%.”]
Source: https://www.darkreading.com/attacks-breaches/radisson-hotels-computers-compromised