Biggest data breaches of all time

POSTED: 6:27 AM Dec 19 2013   UPDATED: 7:38 AM Apr 18 2014
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A security breach at Michaels stores lasted eight months and affected about 3 million customers, the store said Thursday. The craft store chain made news about the hack public three months ago and has been investigating since then. Take a look at some of the biggest data breaches of all time.