How Retail Hacking Works: Danger at Point of Sale

A very instructive piece in the Cisco Blog about how retail hacking at point of sale works, and how it can be addressed.  Must reading.   " ... With the announcement that yet another major retailer has allegedly been breached, it is important to review how attackers compromise retail systems and how such intrusions can be prevented. In this latest case, US retailer Home Depot is investigating to determine if a large cache of credit card information offered for sale on the rescator.cc underground trading forum originated as a result of a breach in their systems. ...  "