The COBIT framework states that the COBIT maturity models are derived from the SEI Capability Maturity Model (CMM). What is the actual relationship between COBIT and CMM?
The maturity models (MMs) in COBIT were first created in 2000 and at that time were designed based on the original CMM scale with the addition of an extra level (0) as shown below: • Level 0: Non-existent • Level 1: Initial/ad hoc • Level 2: Repeatable but Intuitive • Level 3: Defined Process • Level 4: Managed and Measurable • Level 5: Optimized The use of this scale is the only relationship to CMM, as it was felt that the CMM approach, designed for rigorous software development environments, was not appropriate for COBIT where the approach is at a strategic level and focused on high-level IT management processes. The purpose of the COBIT MMs is to provide a management tool enabling benchmarking and targeting of desired process maturity levels and to encourage process improvement via gap analysis. Although concepts of the CMM approach were followed, the COBIT implementation differs considerably from the original CMM, which was oriented toward software product engineering principles, o
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