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Shoppers enter a Target store in Dartmouth, Nova Scotia, on Friday, Nov. 29, 2013. Black Friday, thought to be the most important shopping day of the year in the United States, is having an impact on Canadian sales as retailers work to keep consumers home, north of the border.
Shoppers enter a Target store in Dartmouth, Nova Scotia, on Friday, Nov. 29, 2013. Black Friday, thought to be the most important shopping day of the year in the United States, is having an impact on Canadian sales as retailers work to keep consumers home, north of the border.

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    Target confirms security breach

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Target confirms security breach

CNNMoney correspondent Laurie Segall examines how a security breach at Target could have occurred.

Target confirms security breach

CNNMoney correspondent Laurie Segall examines how a security breach at Target could have occurred.