The role of IT in almost all services that are provided today is pervasive: even in non-IT services such as hospitality, healthcare and transport services, IT is used as a core enabler without which the service would rapidly break down. Governance of IT needs to become an integral part of general corporate governance in order to provide direction for the use of IT in today’s enterprises. Digital transformation is everywhere and is a necessity for companies to survive in the new market environment. Paired with increased threats from, for example, hackers, denial-of-service attacks and other events requiring increase cybersecurity, the need for good governance of IT is obvious. This book provides an overview of the ISO/IEC 38500:2015 standard for the governance of IT.