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The Open Group Information Security Management Maturity Model (O-ISM3) is a maturity model for managing information security. It aims to ensure that security processes in any organization are implemented so as to operate at a level consistent with that organization’s business requirements.
A maturity model is a framework for measuring an organization's maturity, or that of a business function within an organization, [1] with maturity being defined as a measurement of the ability of an organization for continuous improvement in a particular discipline (as defined in O-ISM3 [dubious – discuss]). [2]
ISO/IEC 21827 does not prescribe a particular process or sequence, but captures practices generally observed in industry. The model is a standard metric for security engineering practices covering the following: Project lifecycles, including development, operation, maintenance, and decommissioning activities
The "definition" of maturity given in O-ISM3 (definition in quotes, because as a definition it is sorely lacking - in part because it uses the word maturity itself in defining itself) is, in full: Selected ISM3 processes collected together and operated at a sufficient capability determine an organization’s information security management ...
The maturity model goes beyond a mere statement of the principles by beginning to define characteristics of various levels of recordkeeping programs. For each principle, the maturity model associates various characteristics that are typical for each of the five levels in the model:
The suite of documents associated with a particular version of the CMMI includes a requirements specification called the Appraisal Requirements for CMMI (ARC), [2] which specifies three levels of formality for appraisals: Class A, B, and C. Formal (Class A) SCAMPIs are conducted by SEI-authorized Lead Appraisers who use the SCAMPI A Method Definition Document (MDD) [3] to conduct the appraisals.
The CMMC framework and model was developed by Office of the Under Secretary of Defense for Acquisition and Sustainment (OUSD(A&S)) of the United States Department of Defense through existing contracts with Carnegie Mellon University, The Johns Hopkins University Applied Physics Laboratory, and Futures, Inc. [1] The Cybersecurity Maturity Model ...
Modeling Maturity Levels is a classification system defined by Anneke Kleppe and Jos Warmer in their book MDA Explained (published by Addison-Wesley). The levels characterize the role of modeling in a software project. The concept shows resemblance to the way software processes are rated with the Capability Maturity Model. There are 6 levels ...