For business managers and CIOs, managing identity data of employees, contractors, business partners, and customers has become an important core capability. Today's managers and CIOs must understand all facets of identity management and how to leverage identity data for access control. The book discusses the impacts of identity management on organisations from a business person's perspective. It distils complex concepts into their essential elements and recommends how to move forward, using identity data to improve the business. This book will help managers and CIOs understand: Automating identity provisioning into your access control systems; How to evaluate the maturity of your identity management environment and plan a roadmap for its improvement; The difference between authentication and authorisation; Why federated authentication is so important, and how to get it right; How roles and attributes are used to determine access control; The level of digital transformation that's coming in the management of consumer identities; What we need to plan for in operational technology and the Internet of things.