FedRAMP
U.S. government program standardizing federal cloud security authorizations
ISO 27018
International code for PII protection in public cloud processors.
Quick Verdict
FedRAMP standardizes US federal cloud security authorizations via NIST controls and 3PAO audits, while ISO 27018 extends ISO 27001 for global cloud PII processor privacy. Organizations adopt FedRAMP for federal contracts, ISO 27018 for international privacy trust.
FedRAMP
Federal Risk and Authorization Management Program
Key Features
- Reusable authorizations across federal agencies
- NIST SP 800-53 baselines at Low/Moderate/High levels
- Independent 3PAO security assessments required
- Continuous monitoring with monthly reporting deliverables
- FedRAMP Marketplace for transparency and reuse
ISO 27018
ISO/IEC 27018:2025 Code of practice for PII protection
Key Features
- PII protection controls for public cloud processors
- Consent and purpose limitation requirements
- Sub-processor transparency and management
- Secure PII deletion and return mechanisms
- Breach notification and auditability logging
Detailed Analysis
A comprehensive look at the specific requirements, scope, and impact of each standard.
FedRAMP Details
What It Is
FedRAMP (Federal Risk and Authorization Management Program) is a U.S. government-wide standardized framework for security assessment, authorization, and continuous monitoring of cloud services used by federal agencies. Its primary purpose is to enable secure, reusable cloud adoption via NIST SP 800-53-derived baselines at Low, Moderate, and High impact levels per FIPS 199, reducing duplication across agencies.
Key Components
- Core pillars: System Security Plan (SSP), 3PAO assessments, POA&M management, continuous monitoring.
- Baselines: ~156 (Low), ~323 (Moderate), ~410 (High) controls; LI-SaaS subset for low-risk SaaS.
- Built on NIST SP 800-53 Rev 5 with FedRAMP overlays; OSCAL for automation.
- Compliance via Agency or Program Authorizations listed in Marketplace.
Why Organizations Use It
CSPs pursue FedRAMP for federal market access, as agencies must use authorized services. Benefits include risk reduction, procurement efficiency, competitive differentiation, and trust via independent validation. Modernization (Rev5, 20x) accelerates approvals for AI/cloud-native services.
Implementation Overview
Involves gap analysis, SSP development, 3PAO assessment (10-19 months, $150k-$2M+), remediation, authorization. Targets CSPs selling to U.S. federal agencies; requires A2LA-accredited 3PAOs and ongoing monthly reporting.
ISO 27018 Details
What It Is
ISO/IEC 27018:2025 is a code of practice extending ISO/IEC 27002 for protecting personally identifiable information (PII) in public cloud environments where providers act as PII processors. Its primary scope targets cloud-specific privacy controls, using a risk-based approach layered on an ISO 27001 ISMS.
Key Components
- Core themes: consent/purpose limitation, transparency, data minimization, subcontractor management, logging/auditability, breach notification, secure deletion.
- ~25-30 additional privacy controls aligned with ISO/IEC 29100 principles.
- Builds on 93 ISO 27002:2022 controls; assessed via Statement of Applicability (SoA).
- Certification integrates with ISO 27001 audits, not standalone.
Why Organizations Use It
- Demonstrates robust PII safeguards for cloud customers.
- Meets processor obligations under privacy laws like GDPR.
- Enhances risk management in multi-tenant clouds.
- Builds stakeholder trust, accelerates procurement, differentiates in competitive markets.
Implementation Overview
- Layer on mature ISO 27001 ISMS; conduct gap analysis.
- Key activities: control mapping, policy updates, cloud config monitoring, vendor oversight.
- Applies to cloud processors of all sizes; global relevance.
- Requires third-party audits, annual surveillance, 3-year recertification.
Key Differences
| Aspect | FedRAMP | ISO 27018 |
|---|---|---|
| Scope | Cloud security assessment for federal agencies | PII protection in public cloud processors |
| Industry | US federal government cloud services | Global cloud PII processors all sectors |
| Nature | US government authorization program | Voluntary international code of practice |
| Testing | 3PAO assessments continuous monitoring | ISO 27001 audits with added controls |
| Penalties | Loss of authorization marketplace removal | No direct penalties certification lapse |
Scope
Industry
Nature
Testing
Penalties
Frequently Asked Questions
Common questions about FedRAMP and ISO 27018
FedRAMP FAQ
ISO 27018 FAQ
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