Information Technology - Information Security – Information Assurance. Part 1: Service management system requirements. ITIL® Home. ITIL is the most widely accepted approach to IT service management in the world.
ITIL provides a cohesive set of best practice, drawn from the public and private sectors internationally. IT Service Management (ITSM) derives enormous benefits from a best practice approach. Because ITSM is driven both by technology and the huge range of organizational environments in which it operates, it is in a state of constant evolution.