AS9100 vs ISO 27018
AS9100
Aerospace quality management standard extending ISO 9001 requirements
ISO 27018
International code of practice for PII protection in public clouds.
Quick Verdict
AS9100 ensures aerospace quality, safety, and supply chain integrity for aviation firms, while ISO 27018 protects PII in public clouds for service providers. Aerospace suppliers adopt AS9100 for OEM contracts; cloud operators pursue ISO 27018 to build customer trust and meet privacy regulations.
AS9100
AS9100D Quality Management Systems for Aviation, Space, Defense
Key Features
- Explicit product safety controls across lifecycle (8.1.3)
- Counterfeit parts prevention processes (8.1.4)
- Configuration management for design integrity (8.1.2)
- Operational risk management in processes (8.1.1)
- Enhanced supplier controls and traceability (8.4)
ISO 27018
ISO/IEC 27018 PII protection in public clouds
Key Features
- Privacy controls extension for public cloud PII processors
- Subprocessor transparency and location disclosure requirements
- Prohibits PII use for marketing without consent
- Breach notification and incident management obligations
- Supports data subject rights and secure deletion
Detailed Analysis
A comprehensive look at the specific requirements, scope, and impact of each standard.
AS9100 Details
What It Is
AS9100D (AS9100:2016) is a certification standard for quality management systems (QMS) in aviation, space, and defense. It extends ISO 9001:2015 with over 100 aerospace-specific requirements, focusing on safety-critical integrity via a process-based, risk-oriented approach using Annex SL structure.
Key Components
- Core clauses 4-10 covering context, leadership, planning, support, operation, evaluation, improvement.
- Aerospace additions: configuration management (8.1.2), product safety (8.1.3), counterfeit prevention (8.1.4), operational risks (8.1.1), enhanced supplier controls.
- Built on PDCA cycle; requires third-party certification via Stage 1/2 audits, annual surveillance.
Why Organizations Use It
- Meets OEM contractual mandates for market access.
- Reduces defects, escapes, costs; improves delivery, supplier performance.
- Manages high-consequence risks like safety events, counterfeits.
- Builds trust via IAQG OASIS visibility, enhances competitiveness.
Implementation Overview
- Phased: gap analysis, process design, training, internal audits, certification (6-18 months).
- Applies to manufacturers, designers, MROs globally; complex for SMEs due to supply chain scope.
- Involves documented processes, risk registers, competence programs.
ISO 27018 Details
What It Is
ISO/IEC 27018 is an international code of practice extending ISO/IEC 27001 and ISO/IEC 27002 for protecting personally identifiable information (PII) in public clouds where providers act as PII processors. Its scope targets cloud-specific privacy risks like multi-tenancy and cross-border flows, using a risk-based approach within an Information Security Management System (ISMS).
Key Components
- Adds ~25–30 privacy-specific controls across organizational, people, physical, and technological domains.
- Core principles: consent/choice, purpose limitation, data minimization, accuracy, retention/disclosure limits, security safeguards, transparency, accountability.
- Maps to ISO 27001 Annex A; assessed via Statement of Applicability during certification audits—no standalone certification.
Why Organizations Use It
- Drives customer trust, procurement acceleration, regulatory alignment (GDPR, HIPAA).
- Mitigates PII risks, enables subprocessor transparency, supports cyber insurance.
- Provides market differentiation for cloud service providers (CSPs).
Implementation Overview
- Conduct gap analysis, integrate controls into ISMS, update contracts/policies.
- Involves training, technical measures (encryption, logging), annual audits.
- Suits CSPs globally; requires ISO 27001 base, accredited third-party validation.
Key Differences
| Aspect | AS9100 | ISO 27018 |
|---|---|---|
| Scope | Aerospace QMS with safety, configuration, counterfeit controls | PII protection in public cloud services for processors |
| Industry | Aviation, space, defense organizations globally | Cloud service providers handling personal data |
| Nature | Voluntary certifiable QMS standard | Code of practice extending ISO 27001 |
| Testing | Stage 1/2 audits, annual surveillance, 3-year recert | Integrated into ISO 27001 audits, annual surveillance |
| Penalties | Loss of certification, market access denial | No direct penalties, impacts ISO 27001 certification |
Scope
Industry
Nature
Testing
Penalties
Frequently Asked Questions
Common questions about AS9100 and ISO 27018
AS9100 FAQ
ISO 27018 FAQ
You Might also be Interested in These Articles...

CIS Controls v8.1 for Cloud & SaaS: A Practical Safeguard Playbook for AWS/Azure/GCP and Microsoft 365
Turn CIS Controls v8.1 into a cloud-first playbook for AWS, Azure, GCP & Microsoft 365. Get actionable IaaS/PaaS/SaaS safeguards, automation patterns, evidence

ISO 27701 2025 Update: Navigating Standalone Certification Myths, Audit Realities, and a 90-Day PIMS Launch Plan
Debunk ISO 27701 2025 standalone certification myths vs ISO 27001. Get a 90-day PIMS launch roadmap, checklists & audit prep to certify faster amid global priva

From Reactive Gatekeeper to Proactive Strategist: How Compliance Software Reshapes the Compliance Professional's Day
Discover how compliance software automates monitoring, delivers real-time insights, and transforms compliance pros from reactive gatekeepers to proactive strate
Run Maturity Assessments with GRADUM
Transform your compliance journey with our AI-powered assessment platform
Assess your organization's maturity across multiple standards and regulations including ISO 27001, DORA, NIS2, NIST, GDPR, and hundreds more. Get actionable insights and track your progress with collaborative, AI-powered evaluations.
Explore More Comparisons
See how AS9100 and ISO 27018 compare against other standards