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Mastercard disclosed a data breach to the German and Belgian Data Protection Authorities (DPA) involving customer data from the company's Priceless Specials loyalty program. The data was made available on the Internet, with customers' names, payment card numbers, email addresses, home addresses, phone numbers, gender, and dates of birth being included in the leaked info. Mastercard says that "the incident is limited to the Specials program" and that the only payment card information leaked were the numbers of payment cards. After the data leak was discovered, Mastercard suspended the German Priceless Specials and took down its website, leaving up only a message saying that "This issue has no connection to MasterCard's payment network." "We have received a lot of questions and complaints since the announcement of this incident, we want to reassure users: we have contacted MasterCard in order to get additional information, and are following this case closely together with the Hessian data protection authority and all the other possible concerned authorities," says David Stevens, Chairman of the Belgian Data Protection Authority. The breach was discovered after the loyalty program data was released on the Internet on August 19 says Mastercard. "Thereafter, we acted promptly to remove the published personal information and to protect the interests of the affected users," adds the company. "On August 21, 2019, we became aware that a second file of personal information was published on the Internet. We are working to remove them as well." Heise Media reported that it saw the Excel spreadsheets containing lists of roughly 90,000 and 84,000 rows that were distributed on the internet after Mastercard's Priceless Specials loyalty program was breached. Follow this thread on OUR FORUM.

 

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