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Missed Alarms and 40 Million Stolen Credit Card Numbers: How Target Blew It, by Michael Riley, Ben Elgin, Dune Lawrence, and Carol Matlack, Bloomberg  Businessweek Technology


The biggest retail hack in U.S. history wasn’t particularly inventive, nor did it appear destined for success. In the days prior to Thanksgiving 2013, someone installed malware in Target’s (TGT) security and payments system designed to steal every credit card used at the company’s 1,797 U.S. stores. At the critical moment—when the Christmas gifts had been scanned and bagged and the cashier asked for a swipe—the malware would step in, capture the shopper’s credit card number, and store it on a Target server commandeered by the hackers.

It’s a measure of how common these crimes have become, and how conventional the hackers’ approach in this case, that Target was prepared for such an attack. . . .