This book is intended to be used as a text as well as a supplemental study aid for IT and IS Auditing as well as studying for the CISA Exam. This book should be used as a study guide to assist you in gaining the knowledge and understanding of the types of questions and the type of technology that will appear on the CISA exam as well as serve as a handbook for Information System Auditing. It is important to review and gain a comprehensive understanding of all areas and topics in this book.