Reuters reports that the FBI has uncovered approximately 20 data breaches in the past year that used the same kind of memory-parsing malware recently leveraged against Target and Neiman Marcus.

"We believe POS malware crime will continue to grow over the near term, despite law enforcement and security firms' actions to mitigate," the FBI stated in a confidential report provided to retailers on January 17, 2014. "The accessibility of the malware on underground forums, the affordability of the software and the huge potential profits to be made from retail POS systems in the United States make this type of financially motivated cyber crime attractive to a wide range of actors."

According to the report, entitled "Recent Cyber Intrusion Events Directed Toward Retail Firms," at least one version of the malware in question has been offered for sale for $6,000 on a cybercrime forum. "The high dollar value gained from some of these compromises can encourage intruders to develop high sophistication methodologies, as well as incorporate mechanisms for the actors to remain undetected," the report states.


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