Visa, MasterCard warn of 'massive' security breach

Visa, MasterCard warn of 'massive' security breach

By Emil Protalinski | March 30, 2012, 7:42am PDT

Summary: U.S. banks have received warnings from Visa and MasterCard after a credit card processor was reportedly breached. The breach may involve more than 10 million compromised card numbers.

Visa and MasterCard have reportedly warned banks of a major potential breach at a U.S.-based credit card processor, but neither firm has revealed which processor had been compromised. Alerts sent out to U.S. banks late last week advised them that certain cards may have been compromised, and that full Track 1 and Track 2 data was taken, which means perpetrators got enough to counterfeit new cards.

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