Most enterprise security organizations are unlikely to have a spamming refrigerator on top of their list of things to worry about. But news earlier this year that an Internet-connected fridge was co-opted into a botnet that sent spam to tens of thousands of Internet users is sure to have piqued the interest of at least a few. If nothing, the incident showed how even a benign consumer appliance could pose a danger to enterprises if connected to the Internet without proper security protections.