CSL (Cyber Security Law of China)
China's regulation for cybersecurity and data localization
ISO 20000
International standard for service management systems
Quick Verdict
CSL mandates cybersecurity and data localization for China operations, enforced legally with heavy fines. ISO 20000 is voluntary certification for global service management excellence. Companies adopt CSL for China compliance, ISO 20000 for market trust and operational efficiency.
CSL (Cyber Security Law of China)
Cybersecurity Law of the People's Republic of China
Key Features
- Mandates data localization for CII and important data in China
- Requires real-time network monitoring and periodic security testing
- Designates senior executives for cybersecurity responsibilities
- Applies to foreign enterprises serving Chinese users
- Imposes fines up to 5% of annual revenue
ISO 20000
ISO/IEC 20000-1:2018 Service management system requirements
Key Features
- Annex SL structure for ISO integration
- Full service lifecycle operational processes
- Leadership commitment and risk-based planning
- PDCA-driven continual improvement mechanisms
- Multi-supplier lifecycle control requirements
Detailed Analysis
A comprehensive look at the specific requirements, scope, and impact of each standard.
CSL (Cyber Security Law of China) Details
What It Is
The Cybersecurity Law of the People’s Republic of China (CSL), enacted on June 1, 2017, is a nationwide statutory regulation comprising 69 articles. It governs network operators, service providers, and data processors within Chinese jurisdiction. Its primary purpose is to secure information systems, protect Critical Information Infrastructure (CII), and regulate data handling. CSL employs a **pillar-based approachnetwork security, data localization/personal information protection, and cybersecurity governance.
Key Components
- **Three PillarsNetwork security (safeguards, testing, monitoring); data localization for CII/important data; governance with executive responsibilities and incident reporting.
- Applies to network operators, CII entities, important data processors, and foreign firms serving Chinese users.
- Core principles include real-time monitoring, cross-border transfer assessments, and cooperation with authorities like MIIT.
- Compliance model mandates reporting, security evaluations (e.g., SPCT for CII), without formal certification but with audits.
Why Organizations Use It
CSL is legally binding to avoid fines up to 5% of annual revenue, operational shutdowns, and lawsuits. It drives strategic advantages like consumer trust, operational efficiency via microservices/automation, and innovation through local R&D. Enhances risk management, reputation, and market access in China.
Implementation Overview
Follow a phased GRC framework: pre-engagement, gap analysis, architectural redesign (localization, ZTA, SIEM), governance/training, and continuous testing/audits. Targets organizations with Chinese digital footprints across industries/geographies. Requires significant resources for compliance dashboards and regulatory alignment.
ISO 20000 Details
What It Is
ISO/IEC 20000-1:2018 is the international certifiable standard for service management systems (SMS). It specifies requirements to establish, implement, maintain, and improve an SMS for consistent service delivery across the full lifecycle. Applicable to any service provider, it uses a risk-based, PDCA (Plan-Do-Check-Act) approach aligned with Annex SL high-level structure.
Key Components
- Clauses 4–10 cover context, leadership, planning, support, operation, performance evaluation, improvement
- Clause 8 operational domains: service portfolio, relationships/agreements, supply/demand, design/transition, resolution/fulfilment, assurance
- Core processes include incident/problem management, change/release, configuration/asset, SLM, supplier management
- Certification via accredited bodies with Stage 1/2 audits, surveillance, recertification
Why Organizations Use It
- Drives market differentiation and customer trust (69% report inspired trust)
- Manages risks in multi-supplier ecosystems
- Enables integration with ISO 9001, ISO 27001
- Delivers operational benefits: improved SLAs, reduced incidents, 50% certificate growth
Implementation Overview
- Phased: gap analysis, SMS design, process deployment, audits (12–18 months typical)
- Suits all sizes/industries; requires leadership commitment, training, evidence-based audits
Key Differences
| Aspect | CSL (Cyber Security Law of China) | ISO 20000 |
|---|---|---|
| Scope | Network security, data localization, cybersecurity governance | Service management systems, IT service lifecycle processes |
| Industry | All network operators in China, CII operators | All service providers worldwide, any industry |
| Nature | Mandatory national law, enforced by regulators | Voluntary certifiable international standard |
| Testing | Government-approved security assessments, periodic testing | Internal audits, Stage 1/2 certification, surveillance audits |
| Penalties | Fines up to 5% revenue, business suspension | Loss of certification, no legal penalties |
Scope
Industry
Nature
Testing
Penalties
Frequently Asked Questions
Common questions about CSL (Cyber Security Law of China) and ISO 20000
CSL (Cyber Security Law of China) FAQ
ISO 20000 FAQ
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