Standards Comparison

    CMMI

    Voluntary
    2023

    Process maturity framework with levels 0-5 for improvement

    VS

    ISO 28000

    Voluntary
    2022

    International standard for supply chain security management systems.

    Quick Verdict

    CMMI drives process maturity for predictable software and service delivery across industries, while ISO 28000 establishes security management systems for supply chain resilience. Organizations adopt CMMI for performance benchmarking and ISO 28000 for risk mitigation and compliance assurance.

    Process Maturity

    CMMI

    Capability Maturity Model Integration (CMMI) v2.0

    Cost
    €€€€
    Complexity
    Medium
    Implementation Time
    12-18 months

    Key Features

    • Maturity Levels 0-5 for predictable organizational progression
    • 25 Practice Areas across Doing, Managing, Enabling, Improving
    • Generic practices ensuring sustained process institutionalization
    • SCAMPI Class A/B/C appraisals for benchmarking ratings
    • Staged and continuous representations for flexible adoption
    Supply Chain Security

    ISO 28000

    ISO 28000:2022 Security management systems Requirements

    Cost
    €€€
    Complexity
    High
    Implementation Time
    12-18 months

    Key Features

    • Risk-based supply chain security assessment and treatment
    • PDCA cycle for continual SMS improvement
    • Integration with ISO 31000 and ISO 22301 standards
    • Controls for suppliers and external processes
    • Documented security plans and incident response

    Detailed Analysis

    A comprehensive look at the specific requirements, scope, and impact of each standard.

    CMMI Details

    What It Is

    Capability Maturity Model Integration (CMMI) v2.0 is a performance improvement framework for process institutionalization. It assesses organizational maturity in development, services, and acquisition, using maturity and capability levels for predictable, measurable outcomes.

    Key Components

    • 4 Category Areas: Doing, Managing, Enabling, Improving
    • 12 Capability Areas, 25 Practice Areas with specific expectations
    • Maturity Levels 0-5; Capability Levels 0-3 per area
    • Generic practices for institutionalization; SCAMPI appraisals for validation

    Why Organizations Use It

    • Reduces risks, rework, overruns; improves predictability, quality
    • Meets contractual requirements in defense, regulated sectors
    • Builds stakeholder trust via published ratings
    • Enables competitive bidding, ROI through data-driven optimization

    Implementation Overview

    • Phased: assessment, piloting, rollout, appraisal, sustainment
    • Tailored for Agile/DevOps; tools for evidence capture
    • Suits mid-to-large firms in software, IT, aerospace
    • Requires authorized SCAMPI Class A for official certification (179 words)

    ISO 28000 Details

    What It Is

    ISO 28000:2022 is an international standard specifying requirements for a security management system (SMS) focused on supply chain security. It adopts a risk-based, PDCA (Plan-Do-Check-Act) approach to manage threats like theft, sabotage, and disruptions across supply chains.

    Key Components

    • Clauses 4-10 cover context, leadership, planning, support, operation, evaluation, and improvement.
    • Emphasizes risk assessment (aligned with ISO 31000), operational controls, security plans, and supplier interdependencies.
    • Built on harmonized ISO structure for integration; supports third-party certification per ISO 28003.

    Why Organizations Use It

    • Reduces security incidents, ensures compliance, meets partner requirements.
    • Enhances resilience, lowers insurance costs, improves market access.
    • Builds stakeholder trust through auditable governance.

    Implementation Overview

    • Phased: gap analysis, risk assessment, controls deployment, audits.
    • Scalable for all sizes/industries; 12-18 months typical with certification via Stage 1/2 audits.

    Key Differences

    Scope

    CMMI
    Process improvement across development, services, acquisition
    ISO 28000
    Supply chain security management system requirements

    Industry

    CMMI
    Software, IT, defense, cross-industry global
    ISO 28000
    Logistics, manufacturing, any supply chain sector global

    Nature

    CMMI
    Voluntary process maturity framework with appraisals
    ISO 28000
    Voluntary certification management system standard

    Testing

    CMMI
    SCAMPI appraisals (A/B/C) by certified appraisers
    ISO 28000
    Internal audits, management reviews, certification audits

    Penalties

    CMMI
    No legal penalties, loss of maturity rating
    ISO 28000
    No legal penalties, loss of certification status

    Frequently Asked Questions

    Common questions about CMMI and ISO 28000

    CMMI FAQ

    ISO 28000 FAQ

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