Increased connectivity and data use have greatly heightened the risk of a major security breach. But on top of the requisite technological protections, one of the best security defenses organizations can have is a “culture of security,” says Robert Coles, chief information security officer at GlaxoSmithKline. He and Sigal Barsade, a Wharton management professor, and Sheetal Mehta, global head of enterprise security solutions at Wipro Technologies, delve into this idea in this CIO Series article, produced by Knowledge at Wharton and sponsored by Wipro.