Standards Comparison

    TOGAF

    Voluntary
    2022

    Vendor-neutral framework for enterprise architecture development

    VS

    NIST 800-171

    Mandatory
    2020

    U.S. standard protecting CUI in nonfederal systems

    Quick Verdict

    TOGAF guides enterprise architecture design and governance for business-IT alignment, while NIST 800-171 mandates CUI security controls for federal contractors. Companies adopt TOGAF for strategic transformation, NIST 800-171 for contractual compliance and DoD eligibility.

    Enterprise Architecture

    TOGAF

    The Open Group Architecture Framework (TOGAF)

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

    Key Features

    • Iterative ADM lifecycle for architecture development
    • Enterprise Continuum enabling reusable assets
    • Content Framework with formal Metamodel
    • Architecture Capability Framework for governance
    • Reference Models like TRM and III-RM
    Controlled Unclassified Information

    NIST 800-171

    NIST SP 800-171: Protecting CUI in Nonfederal Systems

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

    Key Features

    • Tailored controls for CUI confidentiality protection
    • SSP and POA&M documentation requirements
    • CUI enclave scoping for boundary control
    • 17 families including supply chain risk
    • DFARS-mandated for DoD contractors

    Detailed Analysis

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

    TOGAF Details

    What It Is

    TOGAF® Standard (The Open Group Architecture Framework) is a vendor-neutral enterprise architecture framework. Its primary purpose is designing, planning, implementing, and governing enterprise-wide change across business and IT. Core approach is the iterative Architecture Development Method (ADM), a cyclical lifecycle from preliminary scoping to change management.

    Key Components

    • **ADM phasesPreliminary, A-H (Vision to Change Management), plus continuous Requirements Management.
    • **Content FrameworkDeliverables, artifacts (catalogs, matrices, diagrams), building blocks; supported by Content Metamodel.
    • Enterprise Continuum, Architecture Repository, Reference Models (TRM, SIB, III-RM).
    • **Architecture Capability FrameworkGovernance, skills, maturity models. No fixed controls; certification via Open Group paths.

    Why Organizations Use It

    Aligns strategy with execution, reduces duplication, accelerates delivery via reuse, improves ROI and risk management. Voluntary adoption for efficiency, avoiding vendor lock-in, enhancing governance in complex enterprises. Builds stakeholder trust through traceability and standards.

    Implementation Overview

    Phased tailoring: foundation (governance/tools), pilot (ADM cycles), scale. Applies to large enterprises across industries; requires repository, training. No mandatory audits; self-governed via Architecture Board.

    NIST 800-171 Details

    What It Is

    NIST SP 800-171 Revision 3 (Protecting Controlled Unclassified Information in Nonfederal Systems and Organizations) is a U.S. government security framework defining requirements to protect CUI confidentiality. It provides a tailored, control-based baseline derived from NIST SP 800-53 Moderate and FIPS 200 for nonfederal entities handling federal data.

    Key Components

    • 17 families (Rev 3) with ~97 requirements across access control, audit, supply chain risk, etc.
    • Core artifacts: System Security Plan (SSP), Plan of Action and Milestones (POA&M)
    • Assessment procedures via SP 800-171A
    • Mappings to ISO 27001, NIST CSF

    Why Organizations Use It

    • Contractual obligations (e.g., DFARS 252.204-7012 for DoD)
    • Ensures federal contract eligibility, mitigates breach risks
    • Enhances supply chain trust, competitive procurement advantage

    Implementation Overview

    • Phased: scoping CUI enclave, gap analysis, controls deployment, documentation
    • Targets contractors all sizes, esp. defense sector
    • Self/third-party assessments; continuous monitoring required (179 words)

    Key Differences

    Scope

    TOGAF
    Enterprise architecture design, ADM lifecycle, governance
    NIST 800-171
    CUI confidentiality protection in nonfederal systems

    Industry

    TOGAF
    All industries, global enterprises, large organizations
    NIST 800-171
    Defense contractors, federal supply chain, US-focused

    Nature

    TOGAF
    Voluntary methodology/framework, vendor-neutral
    NIST 800-171
    Mandatory via contracts (DFARS), security requirements

    Testing

    TOGAF
    Architecture reviews, maturity assessments, self-governed
    NIST 800-171
    SP 800-171A assessments, CMMC audits, SPRS scoring

    Penalties

    TOGAF
    No legal penalties, loss of governance effectiveness
    NIST 800-171
    Contract ineligibility, fines, debarment from DoD awards

    Frequently Asked Questions

    Common questions about TOGAF and NIST 800-171

    TOGAF FAQ

    NIST 800-171 FAQ

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