CIO Insight: In the wake of the news that Target’s profit fell more than 40 percent during the fourth quarter of 2013, due in large part to a data breach that affected up to 110 million customers, CIO Insight interviewed Eric Cole, a SANS Institute Faculty Fellow and the head of SANS’s Cyber Defense Foundations program, about the Target breach, how the retailer’s lack of a chief security officer (CSO) might have affected the incident’s outcome, the complicated relationship between CIOs and CSOs, and upcoming cybersecurity trends.