ISO 27017
International code of practice for cloud security controls
U.S. SEC Cybersecurity Rules
U.S. SEC regulation for cybersecurity incident and risk disclosures
Quick Verdict
ISO 27017 provides cloud-specific security controls for CSPs and customers globally, while U.S. SEC Cybersecurity Rules mandate rapid incident reporting and governance disclosures for public companies to ensure investor transparency.
ISO 27017
ISO/IEC 27017:2015 Code of practice for cloud security controls
Key Features
- Adds seven cloud-specific controls to ISO 27002
- Clarifies shared responsibilities between CSPs and customers
- Provides guidance for 37 ISO 27002 controls in cloud contexts
- Addresses virtual machine segregation and hardening
- Enables customer monitoring of cloud service activities
U.S. SEC Cybersecurity Rules
Cybersecurity Risk Management, Strategy, Governance, and Incident Disclosure
Key Features
- Four-business-day material incident disclosure on Form 8-K
- Annual risk management and governance in Reg S-K Item 106
- Inline XBRL tagging for structured data comparability
- Board oversight and management role disclosures
- Third-party risk processes inclusion
Detailed Analysis
A comprehensive look at the specific requirements, scope, and impact of each standard.
ISO 27017 Details
What It Is
ISO/IEC 27017:2015 is a code of practice extending ISO/IEC 27002 with cloud-specific information security controls. Its primary purpose is to provide implementation guidance for securing cloud services across public, private, and hybrid models, focusing on shared responsibilities between cloud service providers (CSPs) and cloud service customers (CSCs). It adopts a risk-based approach integrated into an ISO 27001 ISMS.
Key Components
- Guidance on 37 ISO 27002 controls adapted for cloud environments.
- Seven additional cloud-specific controls (e.g., CLD.6.3.1 for shared roles, CLD.9.5.1 for virtual segregation).
- Covers domains like access control, operations security, and supplier relationships.
- Not standalone certifiable; assessed within ISO 27001 audits.
Why Organizations Use It
Organizations adopt it for cloud risk management, regulatory alignment (e.g., GDPR), and procurement advantages. It reduces multi-tenancy risks, builds customer trust, and differentiates CSPs in competitive markets.
Implementation Overview
Integrate into existing ISO 27001 ISMS via risk assessment, control mapping, and cloud configuration hardening. Suitable for CSPs, CSCs of all sizes; involves joint audits (9-12 months). Requires operational maturity in monitoring and virtualization.
U.S. SEC Cybersecurity Rules Details
What It Is
U.S. SEC Cybersecurity Rules (Release No. 33-11216) is a federal regulation mandating standardized disclosures for public companies. It focuses on timely reporting of material cybersecurity incidents and annual descriptions of risk management, strategy, and governance. The approach is materiality-based, aligning with securities law principles without bright-line thresholds.
Key Components
- **Incident disclosureForm 8-K Item 1.05 requires reporting material incidents within four business days of determination.
- **Annual disclosuresRegulation S-K Item 106 covers processes for risk assessment, board oversight, and management roles.
- **Structured dataInline XBRL tagging for comparability.
- Built on existing securities frameworks; no fixed controls, emphasizes processes.
Why Organizations Use It
Public companies comply to meet legal obligations under Exchange Act reporting. It enhances investor protection, reduces information asymmetry, and improves capital market efficiency. Benefits include formalized governance, better risk integration, and enforcement avoidance.
Implementation Overview
Involves gap analysis, playbook development, cross-functional committees, and process integration with disclosure controls. Applies to all Exchange Act registrants, including FPIs. No certification; SEC enforcement via exams and actions. Typical steps: materiality framework, IRP updates, board reporting (6-12 months).
Key Differences
| Aspect | ISO 27017 | U.S. SEC Cybersecurity Rules |
|---|---|---|
| Scope | Cloud-specific security controls and guidance | Public company incident and governance disclosures |
| Industry | Cloud providers and customers globally | U.S. public companies and FPIs |
| Nature | Voluntary code of practice, ISO 27001 extension | Mandatory SEC reporting regulation |
| Testing | ISO 27001 audits include 27017 controls | Internal disclosure controls, SEC review |
| Penalties | Loss of certification, no legal fines | SEC enforcement, civil penalties, injunctions |
Scope
Industry
Nature
Testing
Penalties
Frequently Asked Questions
Common questions about ISO 27017 and U.S. SEC Cybersecurity Rules
ISO 27017 FAQ
U.S. SEC Cybersecurity Rules FAQ
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