Written through the collaboration of educators and practitioners, this textbook serves as a cornerstone for internal audit education. It covers key fundamentals of internal auditing that can be applied in an ever-changing business world, serving as a reference and training tool for internal audit practitioners. The textbook is completely aligned to The IIA’s Code of Ethics and International Standards for the Professional Practice of Internal Auditing. The fourth edition includes online student and instructor tools that include case studies and leading generalized audit software packages and knowledge content from ACL, CaseWare IDEA, Wolters Kluwer’s TeamMate, and Protiviti’s KnowledgeLeader®. Supplemental teaching materials are available fo...