Operations | Monitoring | ITSM | DevOps | Cloud

An IBM warranty check sounds like a ten second task: type in the serial number, read the expiration date. In practice, a lot of people hit a sign in screen or a result telling them the machine cannot be found. The reason is rarely the serial number itself. Most hardware that people still call IBM is serviced by Lenovo today, so half of these lookups happen on the wrong website.

An ITSM maturity model is a practical framework for measuring where your Service Management stands across people, processes, technology, and governance, then turning that baseline into a prioritized improvement plan. Most models describe five levels — from ad hoc to optimized — with clear characteristics and outcomes at each stage. This guide explains the levels, how to assess your current state, how to map capabilities to ITIL 4 practices, and actionable steps to get started.