This book uncovers the control and security challenges that businesses face in today's digital economy. It provides readers with a comprehensive understanding of information systems security issues such as risks, controls, and assurance. Current in its content, it is technically accurate, and yet accessible to those who have a basic understanding of computer-based systems and a desire to comprehend the new business environment. * Helps readers gain a basic understanding of the new landscape of risks, controls, and security. * Covers the risk model and methods of responding to risks in the networked environment. * Integrates the real-world experience in the use of concepts learned. * Utilizes concept maps throughout the chapters to enhance clarity and to integrate subject matter from cover to cover. * Focuses on security principles and issues that all businesses have to deal with.