50 go of old creditcard customer details

A 50 go dump file  of names, addresses, emails and phone numbers of credit card customers around the world released on Monday indicates a breach of a payment processor, but the data appears to be old.

A hacker nicknamed “Reckz0r” posted a link to the data dump on Pastebin, also writing on Twitter that he had “penetrated over 79 large banks” and holds 50GB of data on MasterCard and Visa cardholders. No card numbers were released, however.

MasterCard and Visa, which are aware of the breach, do not actually hold information on individual cardholders. That information is held by banks, as well as the many companies involved in processing credit-card transactions.

Attempts to reach some of the U.S. cardholders affected were unsuccessful, since many of the phone numbers were disconnected or incorrect.

But another person in the list, Sydney resident Julian Bale, said the information was very old. The home address published for him is seven years out of date, and an e-mail address published at least four years old, Bale said in a phone interview Tuesday.

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