Even as attacks on corporate networks become more prevalent, insider threats continue to pose the biggest data breach risk for companies in all industries and across all geographies. To better manage and prevent this risk exposure, corporate leaders still have much to learn both from corporate data breaches of the past and from those that have developed best-in-class insider-threat programs.

Jaclyn Jaeger is a freelance contributor to Compliance Week after working for the company for 15 years. She writes on a wide variety of topics, including ethics and compliance, risk management, legal,...