Retail giant Costco Wholesale Corporation sent letters this month to its customers alerting them that their payment information may have been stolen through a credit card skimmer while they were shopping at one of their stores, according to a BleepingComputer report Friday (Nov. 12).
Costco found the card-skimming device in one of its stores during a routine check by store personnel. The company removed the device and alerted the authorities to the breach, and Costco officials are now working with law enforcement on the investigation.