Hidden Cobra threat actors are behind a series of attacks aimed at U.S. and European shoppers, using Magecart to skim credit card information from retailers.

“Researchers have attributed the activity to HIDDEN COBRA because infrastructure from previous operations was reused,” according to a report from Sansec, which also identified distinctive patterns in the malware code “that linked multiple hacks to the same actor.”

The hackers, once known primarily for their attacks on banks and South Korean crypto markets, recently have trained their focus on skimming as incidents at retailers Claire’s, Focus Camera and Paper Source have shown.

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