Bank Info Security – 5/15/12: Some sources now say the data breach at Global Payments Inc., revealed in March, may have exposed 7 million accounts – a significant increase from the 1.5 million the payments processor first reported.

But connecting all the fraud dots back to Global has proven challenging for card issuers.

The Wall Street Journal and Brian Krebs, the fraud blogger who on March 30 broke the news of the breach, report that the number of cards exposed could exceed 7 million, based on information they’ve gathered from sources close to the case.

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