Mastercard Alerts Privacy Watchdogs After Loyalty Program Leak

Aug. 23, 2019, 3:04 PM UTCUpdated: Aug. 23, 2019, 4:32 PM UTC

Mastercard Inc.’s European unit formally notified Belgian and German data-protection regulators of a data lapse concerning a loyalty program, officials said Aug. 23.

The Belgian watchdog said in a statement Aug. 23 that the card company alerted it to a “breach” detected on Aug. 19. It said the episode would have affected a “large number” of people and that “a significant portion” of them would be German customers.

The regulator in Hesse, Germany, said in a separate statement that Mastercard Europe SA was investigating and had already taken remedial steps and deleted any personal data that had been published online. ...

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