Cybercriminals have stolen payment card data from six more U.S. retailers using similar point-of-sale malware that compromised Target, a computer crime intelligence company said Friday.
The conclusion comes from a study of members-only forums where cybercriminals buy and sell data and malicious software tools, said Dan Clements, president of IntelCrawler, which conducted the analysis.
The retailers have not been publicly named, but IntelCrawler is providing technical information related to the breaches to law enforcement, Clements said in a telephone interview Friday.
Hackers' tools determined
IntelCrawler has also identified a 17-year-old Russian who it says created the BlackPOS malware, which intercepts unencrypted payment card data after a card is swiped. Security experts believe malware based on BlackPOS was used against Target.
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