angry tapir writes "The stolen credit card numbers of millions of Target shoppers took an international trip — to Russia. A peek inside the malicious software that infected Target's POS (point-of-sale) terminals is revealing more detail about the methods of the attackers as security researchers investigate one of the most devastating data breaches in history. Findings from two security companies show the attackers breached Target's network and stayed undetected for more than two weeks. Over two weeks, the malware collected 11GB of data from Target's POS terminals. The data was first quietly moved to another server on Target's network and then transmitted in chunks to a U.S.-based server that the attackers had hijacked. Logs from that compromised server show the data was moved again to a server based in Russia starting on Dec. 2." A related article at Wired points out that Target suffered a similar breach in 2005, and apparently didn't learn its lesson.
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