A security researcher recently bought a single Aloha point-of-sale terminal — a brand of computerized cash register widely used in the hospitality industry — on eBay for US$200. Matt Oh found an eye-opening mix of default passwords, at least one security flaw and a leftover database containing the names, addresses, Social Security numbers and phone numbers of employees who had access to the system. Oh’s findings have received a fair amount of attention due to the role of such systems in high-profile data breaches at retailers including Target, Neiman Marcus and Michaels.”]