“Underscoring the growing sophistication of Internet crime, researchers have documented one of the first known botnets to target point-of-sale (PoS) terminals used by stores and restaurants to process customers' credit and debit card payments.
The botnet remained active at the time of writing and had compromised more than 20,000 payment cards since August, researchers from IntelCrawler, a Los Angeles-based security intelligence provider, told Ars. The researchers arrived at the findings after infiltrating one of the control servers used to send commands to infected machines and receive pilfered data from them. A recently captured screenshot (above) showed that it was controlling 31 machines that the researchers said belonged to US-based restaurants and retailers. Some of the infected machines are servers, so the number of affected PoS devices could be much higher. The researchers have reported their findings to law enforcement agencies that they declined to identify by name.”
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