CBS News reports that the Hyatt, Sheraton, Marriott and Westin hotels in 10 states and the District of Columbia have possibly been targeted by hackers for several months.
The hotel operator, HEI Hotels & Resorts, has commented that malware was put into place in at least 20 locations. The malware has possibly collected names, card account numbers, card expiration dates and verification codes.
The time span for customer data collection could have been from early December through late June. HEI mentions that data collection could have started as early as March 2015 at hotel locations where people purchased food or drinks.
HEI said in a company release that “We are treating this matter as a top priority, and took steps to address and contain this incident promptly after it was discovered.”
The company released a list of hotels it says may have been targeted:
HEI stated that once it discovered the problem it transitioned payment card processing to a stand-alone system completely separate from the rest of its network. The malware was disabled and HEI is in the process of reconfiguring their network and payment systems to make increase their security.
The company stated that it is continuing to cooperate with the law enforcement investigation and coordinating with banks and payment card companies.
It is very important that anyone who used a card at HEI hotels in the above mentioned time frame should review their account statements and look for discrepancies or unusual activity. HEI customers should audit past, current and future credit card and bank statements. Customers who notice anything that looks wrong should contact their credit or debit card issuer immediately.
HEI customers can also visit a special web site for additional information about the incident.
HEI stated the breach has been contained and customers can safely use cards at all of its properties.
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