Hyatt Hotels says it’s concluded its investigation into the payment card data breach that it first discovered in November 2015. The hotel chain says that anyone who used a payment card at one of the affected properties last year from July 30 to Dec. 8 was potentially affected. The affected properties are located everywhere from Argentina and Armenia to the United Kingdom and Vietnam. In the United States, 100 hotels in 26 different states were affected; Hyatt first publicly disclosed the breach on Dec. 23. Hyatt says that it doesn’t know exactly which type of malware hit it.”]
Source: https://www.databreachtoday.com/hyatt-breach-250-hotels-50-countries-a-8802