A cyber security firm reported that at least six retailers are being hit by ongoing hacker attacks.
The firm said it has warned law enforcement and banks.
However, they refused to release the names of the stores, but did say these identity thefts are on top of previously reported attacks at Neiman Marcus and Target.
Experts said these attacks will increase in number and severity before they stop.
That's because the code needed can be easily purchased on underground hacker forums.
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