Michaels Stores, Inc. suffers data breach

By WEEK Producer

April 17, 2014 Updated Apr 18, 2014 at 9:56 AM CDT

Michaels Stores, Inc. confirmed Thursday 2.5 million credit cards may have been affected by a data breach between May 2013 and January 2014.

Michaels was attacked with highly sophisticated malware never seen by security firms investigating the breach.

Payment card numbers and expiration dates were compromised. However, there is no evidence names, addresses or pin numbers were at risk.

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