TISAX
Automotive framework for secure information assessment exchange
NIST 800-171
U.S. standard for protecting CUI in nonfederal systems
Quick Verdict
TISAX ensures automotive supply chain trust via ENX-assessed labels for prototypes/IP, while NIST 800-171 mandates CUI protection for US federal contractors through SSPs/POA&Ms. Automotive firms adopt TISAX for OEM contracts; DoD suppliers use 800-171 for compliance eligibility.
TISAX
Trusted Information Security Assessment Exchange
Key Features
- Secure exchange of assessments via ENX portal
- Automotive-specific prototype protection controls
- Risk-based levels: AL1 self to AL3 on-site
- Maturity scoring 0-5 requiring level 3+
- Extends ISO 27001 for supply chain resilience
NIST 800-171
NIST SP 800-171: Protecting CUI in Nonfederal Systems
Key Features
- Scoped requirements for CUI-processing components
- SSP and POA&M documentation mandates
- 110 controls across 14-17 families
- FedRAMP Moderate cloud equivalence
- DFARS/CMMC contractual enforcement
Detailed Analysis
A comprehensive look at the specific requirements, scope, and impact of each standard.
TISAX Details
What It Is
TISAX (Trusted Information Security Assessment Exchange) is a certification framework for automotive supply chain security, developed by ENX Association using VDA ISA catalog. It standardizes assessments for protecting sensitive data like prototypes and IP, emphasizing CIA triad. Risk-based with three levels: AL1 (self-assessment), AL2 (remote), AL3 (on-site).
Key Components
- 70+ controls in 7 groups: Policy, Organization, Personnel, Physical Security, Access Control, Cryptography, Operations.
- Builds on ISO 27001 with automotive extensions like prototype protection.
- Maturity model (0-5 scale, requires 3+ for compliance).
- ENX portal enables result sharing without re-audits.
Why Organizations Use It
- Contractual mandate from OEMs (e.g., BMW, VW) for market access.
- Cuts duplicate audits (70-90% efficiency), mitigates €4.5M breach risks.
- Boosts trust, revenue, resilience in €2.5T chain.
- Strategic ROI via IP protection, collaboration.
Implementation Overview
Phased: scope/gap analysis (1-3 months), remediation/tabletops (3-9 months), audit (2-4 months), ongoing monitoring. 6-18 months total, €15K-€150K costs. Targets OEMs/suppliers/services; scalable for SMEs/multinationals.
NIST 800-171 Details
What It Is
NIST SP 800-171 (Protecting Controlled Unclassified Information in Nonfederal Systems and Organizations) is a U.S. government framework providing security requirements for safeguarding CUI confidentiality in nonfederal systems. Tailored from NIST SP 800-53 Moderate baseline, it uses a control-based approach focused on nonfederal contractors handling federal data.
Key Components
- 17 families in Rev 3 (e.g., Access Control, Audit, Supply Chain Risk Management) with ~97-110 requirements.
- Core artifacts: System Security Plan (SSP) and Plan of Action and Milestones (POA&M).
- Assessment via SP 800-171A (examine/interview/test methods).
- Built on FIPS 200 and SP 800-53; supports tailoring and FedRAMP equivalence.
Why Organizations Use It
- Mandatory via contracts like DFARS 252.204-7012 for DoD suppliers.
- Enables CMMC Level 2 certification and SPRS scoring.
- Reduces breach risks, ensures contract eligibility, builds supply chain trust.
Implementation Overview
- Phased: scoping CUI enclave, gap analysis, control deployment, evidence collection.
- Applies to contractors globally; suits all sizes via enclaves.
- Self/third-party assessments; no central certification but contract-driven audits. (178 words)
Key Differences
| Aspect | TISAX | NIST 800-171 |
|---|---|---|
| Scope | Automotive info security, prototypes, CIA triad | CUI confidentiality in nonfederal systems |
| Industry | Automotive supply chain, global OEMs/suppliers | US federal contractors, DoD supply chain |
| Nature | Industry certification, voluntary but contractual | Contractual requirement via DFARS clauses |
| Testing | AL1-AL3 audits by ENX providers, 3-year labels | SSP/POA&M, self/third-party assessments |
| Penalties | Contract loss, no legal fines | Contract ineligibility, potential civil penalties |
Scope
Industry
Nature
Testing
Penalties
Frequently Asked Questions
Common questions about TISAX and NIST 800-171
TISAX FAQ
NIST 800-171 FAQ
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