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UDPoS - Exfiltrating Credit Card Data via DNS

In the current era of mass malware it's becoming increasingly rare to find something beyond the ‘usual suspects’ we see being spread by high-profile botnets on a regular basis. However, in amongst the digital haystack there exists the occasional needle: we recently came across a sample apparently disguised as a LogMeIn service pack which generated notable amounts of 'unusual' DNS requests. Deeper investigation revealed something of a flawed gem, ultimately designed to steal magnetic stripe payment card data: a hallmark of ATM/PoS malware.

Six Ways to Prevent Point-of-Sale Malware Attacks

In the wake of multiple recent data theft and breach announcements, retailers are increasingly hard pressed to find effective means of securing customer information.  Examples include: