The company said their computers were hacked, and credit and debit card numbers were compromised.
The company that owns Michaels also owns Aaron Brothers art stores. Officials say information from another 400,000 cards was stolen from that chain.
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Michaels Crafts
255 W Shaw Ave
Clovis, CA
May 8, 2013 - October 6, 2013
October 17, 2013 - January 18, 2014
Michaels Crafts
7400 N Blackstone Ave
Fresno, CA
May 8, 2013 - July 29, 2013
Aaron Brothers
7628 N Blackstone Ave
Fresno, CA
June 26, 2013 - February 27, 2014
Click here for more details including a full list of affected stores.