Expert who first revealed massive Target hack tells us how it happened

More unofficial details about the late 2013 Target hack that exposed up to 40 million credit and debit cards and personal data for up to 70 million customers have started to surface, Krebs on Security reports, revealing that a piece of malware that’s “nearly identical” to a 207kb malicious program sold on the black market with prices starting at $1,800 may have been responsible for the massive card data breach. Called BlackPOS, the program “is a specialized piece of malware designed to be installed on point-of-sale (POS) devices and record all data from credit and debit cards swiped through the infected system.” A more advanced version of BlackPOS offers encryption support for stolen data and retails for $2,300. Even though

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