The credit card details of numerous customers were leaked after common point-of-sale registers in gift shops and restaurants at a large number of Hilton Hotel was compromised.
Hilton hotel apologized to all the customers and investigated the incident with the data security team.
The hotel was also fined $700K for the breach.
Source: https://krebsonsecurity.com/2015/09/banks-card-breach-at-hilton-hotel-properties/
"id": "HIL15823422",
"linkid": "hilton-hotels-and-resorts-brand",
"type": "Breach",
"date": "09/2015",
"severity": "100",
"impact": "6",
"explanation": "Attack threatening the economy of a geographical region"