Book excerpt: Insider threat is a real issue, pain point, and can be a challenge in any organization of any size or industry. Having experienced personnel, the right tools, and the right processes can certainly assist your organization in moving in a positive direction. Mitigating risk of any kind can be a daunting task and difficult to do without proper relationships within the organization as well as externally. The book is a primer for security and risk professionals in providing real-world examples of insider threat cases and investigations that I have specifically worked on or managed in a variety of industry and organizational settings. The reader will have the ability to walk through each case example and, when finished, read a case review along with associated recommendations that could be utilized to reduce or mitigate risk on their own organization. The book also includes numerous chapters that discuss risk issues, mitigation of risk, and other strategies that can assist the reader in the development or enhancement of their current security and risk programs.