TOGAF
Vendor-neutral framework for enterprise architecture development
NIST 800-171
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.
TOGAF
The Open Group Architecture Framework (TOGAF)
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
NIST 800-171
NIST SP 800-171: Protecting CUI in Nonfederal Systems
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
| Aspect | TOGAF | NIST 800-171 |
|---|---|---|
| Scope | Enterprise architecture design, ADM lifecycle, governance | CUI confidentiality protection in nonfederal systems |
| Industry | All industries, global enterprises, large organizations | Defense contractors, federal supply chain, US-focused |
| Nature | Voluntary methodology/framework, vendor-neutral | Mandatory via contracts (DFARS), security requirements |
| Testing | Architecture reviews, maturity assessments, self-governed | SP 800-171A assessments, CMMC audits, SPRS scoring |
| Penalties | No legal penalties, loss of governance effectiveness | Contract ineligibility, fines, debarment from DoD awards |
Scope
Industry
Nature
Testing
Penalties
Frequently Asked Questions
Common questions about TOGAF and NIST 800-171
TOGAF FAQ
NIST 800-171 FAQ
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