DORA
EU regulation for financial sector digital operational resilience
ISO 27017
International standard for cloud security controls.
Quick Verdict
DORA mandates ICT resilience for EU finance firms via testing and reporting, while ISO 27017 provides voluntary cloud security guidance for global organizations. Finance entities adopt DORA for compliance; others use 27017 to enhance cloud controls within ISO 27001.
DORA
Regulation (EU) 2022/2554, Digital Operational Resilience Act
Key Features
- Harmonizes ICT resilience rules across 27 EU states
- Mandates management-approved ICT risk frameworks with reviews
- Enforces 4-hour reporting for major ICT incidents
- Requires triennial threat-led penetration testing for critical entities
- Oversees critical third-party ICT providers via ESAs
ISO 27017
ISO/IEC 27017:2015 Code of practice for cloud security controls
Key Features
- Clarifies shared responsibilities between CSPs and CSCs
- Adds 7 cloud-specific CLD security controls
- Provides guidance for 37 ISO 27002 controls in cloud
- Addresses multi-tenancy and VM segregation risks
- Integrates seamlessly with ISO 27001 ISMS audits
Detailed Analysis
A comprehensive look at the specific requirements, scope, and impact of each standard.
DORA Details
What It Is
Digital Operational Resilience Act (DORA), Regulation (EU) 2022/2554, is a transformative EU regulation entering full application on January 17, 2025. It bolsters ICT resilience for 20 financial entity types and critical third-party providers (CTPPs) against disruptions like cyberattacks. Adopts a proactive, risk-based approach harmonizing national rules into comprehensive resilience strategies.
Key Components
- **ICT Risk ManagementFrameworks for identifying, mitigating risks with annual reviews and proportionality.
- **Incident Reporting4-hour initial, 72-hour intermediate, 1-month root-cause for major incidents.
- **Resilience TestingAnnual vulnerability scans; triennial TLPT for critical functions.
- **Third-Party OversightDue diligence, standardized contracts, ESA supervision of CTPPs. Enforced via RTS/ITS (2024 batches); fines up to 2% global turnover.
Why Organizations Use It
Mandatory for ~22,000 EU entities to avoid penalties amid rising threats (74% ransomware hit). Enhances systemic resilience, stakeholder trust, cross-border harmony; catalyzes cybersecurity investments (€10-15B EU spend).
Implementation Overview
Conduct gap analyses, build frameworks, testing plans, vendor mapping per proportionality. Tailored for entity size; focuses SMEs on basics. Supervisory audits by ESAs; prep accelerated by 2024 standards.
ISO 27017 Details
What It Is
ISO/IEC 27017:2015 is a code of practice for information security controls tailored to cloud services. It extends ISO/IEC 27002 with cloud-specific guidance, adopting a risk-based approach within an ISO 27001 ISMS framework.
Key Components
- Guidance on 37 existing ISO 27002 controls adapted for cloud.
- 7 additional cloud-specific 'CLD' controls (e.g., shared responsibilities, virtual machine segregation).
- Built on ISO 27001 ISMS; not standalone certification but integrated audit scope.
Why Organizations Use It
- Clarifies shared responsibilities between CSPs and CSCs.
- Addresses multi-tenancy, virtualization risks for compliance (GDPR, CCPA).
- Enhances risk management, procurement trust, competitive differentiation.
Implementation Overview
- Integrate into existing ISO 27001 via risk assessment and SoA updates.
- Key activities: control mapping, configuration hardening, monitoring setup.
- Suited for CSPs, CSCs across sizes/industries; audited as ISO 27001 extension.
Key Differences
| Aspect | DORA | ISO 27017 |
|---|---|---|
| Scope | Digital resilience in finance | Cloud security controls |
| Industry | EU financial entities only | All cloud-using organizations globally |
| Nature | Mandatory EU regulation | Voluntary ISO guidance standard |
| Testing | Annual tests, triennial TLPT | ISO 27001 audit integration |
| Penalties | Up to 2% global turnover fines | No legal penalties, certification loss |
Scope
Industry
Nature
Testing
Penalties
Frequently Asked Questions
Common questions about DORA and ISO 27017
DORA FAQ
ISO 27017 FAQ
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