Information Systems Security and Control

Information System, an integrated set of components for collecting, storing, and processing data and for delivering information, knowledge, and digital products. Business firms and other organizations rely on information systems to carry out and manage their operations, interact with their customers and suppliers, and compete in the marketplace. For instance, corporations use information systems to reach their potential customers with targeted messages over the web, to process financial accounts, and to manage their human resources. Governments deploy information systems to provide services cost-effectively to citizens.