Global Payments Breach Window Expands

A hacker break-in at credit and debit card processor Global Payments Inc. dates back to at least early June 2011, Visa and MasterCard warned in updated alerts sent to card-issuing banks in the past week. The disclosures offer the first additional details about the length of the breach since Global Payments acknowledged the incident on March 30, 2012.

Visa and MasterCard send periodic alerts to card-issuing banks about cards that may need to be re-issued following a security breach at a processor or merchant. Indeed, it was two such alerts — issued within a day of each other in the final week of March — which prompted my reporting that ultimately exposed the incident. Since those initial alerts, Visa and MasterCard have issued at least seven updates, warning of additional compromised cards and pushing the window of vulnerability at Global Payments back further each time.

Initially, MasterCard and Visa warned that hackers may have had access to card numbers handled by the processor between Jan. 21, 2012 and Feb. 25, 2012. Subsequent alerts sent to banks have pushed that exposure window back to January, December, and then August. In an alert sent in the last few days, the card associations warned issuers of even more compromised cards, saying the breach extended back at least eight months, to June 2011.

Security experts say it is common for the tally of compromised cards to increase as forensic investigators gain a better grasp on the extent of a security breach. But so far, Global Payments has offered few details about the incident beyond repeating that less than 1.5 million card numbers may have been stolen from its systems.

In a letter (PDF) responding to questions from  Senator Robert P. Casey (D-Pa.), Global Payments CEO Paul Garcia maintained that the company discovered the breach internally and on its own on March 8, and that it began alerting the card associations the following day. Garcia said their initial disclosure was “forced by wild speculation in the press regarding this matter and our company.”

Global Payments spokeswoman Amy Korn declined to comment for this story, but said the company would be releasing additional information about the incident in a statement on its Web site,, later this evening.

Update, May 4, 12:37 p.m. ET: The Wall Street Journal published a story today citing unidentified sources as saying that at least 7 million card accounts are now considered potentially vulnerable because of this breach.

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