Authors: SiteLock Research Analysts, Josh Martin and Michael Veenstra

While investigating suspicious files on a customer’s eCommerce site, the SiteLock Research Team found malicious payment processing code injected into Magento application files that skimmed credit card data and administrative login credentials. The malicious code sent stolen credit card data directly to a publicly accessible carding market where victim’s card details were listed for sale. In this article we analyze the infection, take a deeper look at the carding market, and discuss ways you can keep your site and your credit card data secure.

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