Which Big Retailer Hasn't Reported a Major Breach -- Yet?

Every week it seems, another major U.S. retailer says it's been hacked. Today, Staples said it was investigating a potential credit-card breach. Two weeks earlier it was Kmart. Three weeks earlier it was Supervalu and Albertsons. A month ago it was Home Depot. The list is longer than the checkout line at Target, which was breached late last year.

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