This Aug. 14, 2012 file photo shows a Home Depot store in Nashville, Tenn. On Tuesday, Sept. 2, 2014, the home improvement retailer said that it's looking into "unusual activity" and that it's working with both banks and law enforcement after suspicions of a credit card data breach. (AP Photo/Mark Humphrey)

Prevent ID theft during a data breach

Several big name retailers have experienced data breaches in the past year, in which millions of credit card accounts were stolen.