Ponemon 2007 Annual Study: U.S. Cost of a Data Breach – Understanding Financial Impact, Customer Turnover, and Preventitive Solutions: This study “was derived from a detailed analysis of 35 data breach incidents. According to the study, the cost per compromised customer record increased in 2007, compared to 2006. Lost business opportunity, including losses associated with customer churn and acquisition, represented the most significant component of the cost increase. Companies analyzed were from 16 different industries, including communications, consumer goods, education, entertainment, financial services, gaming, health care, hospitality, internet, manufacturing, marketing, media, retail, services, technology, and transportation.”