Standards Comparison

    ISO 50001

    Voluntary
    2018

    International standard for energy management systems

    VS

    ISO 27017

    Voluntary
    2015

    International standard for cloud-specific security controls

    Quick Verdict

    ISO 50001 establishes energy management systems for performance improvement across industries, while ISO 27017 provides cloud-specific security controls extending ISO 27001. Organizations adopt 50001 for cost savings and sustainability, 27017 for cloud risk assurance and procurement credibility.

    Energy Management

    ISO 50001

    ISO 50001:2018 Energy management systems requirements

    Cost
    €€€
    Complexity
    High
    Implementation Time
    12-18 months

    Key Features

    • Requires demonstrable continual energy performance improvement
    • Annex SL structure enables ISO 9001/14001 integration
    • Energy review identifies SEUs, EnPIs, and baselines
    • Formal energy data collection and normalization plan
    • Strong top management leadership accountability
    Cloud Security

    ISO 27017

    ISO/IEC 27017:2015 Code of practice for cloud security

    Cost
    €€€
    Complexity
    Medium
    Implementation Time
    6-12 months

    Key Features

    • Clarifies shared responsibilities between CSPs and CSCs
    • Adds 7 cloud-specific controls for multi-tenancy segregation
    • Provides guidance on 37 ISO 27002 controls for cloud
    • Supports VM hardening and secure asset removal
    • Enables customer monitoring of cloud service activities

    Detailed Analysis

    A comprehensive look at the specific requirements, scope, and impact of each standard.

    ISO 50001 Details

    What It Is

    ISO 50001:2018 is an international certification standard specifying requirements for Energy Management Systems (EnMS). It applies to all organizations, providing a systematic PDCA-based framework to improve energy performance—efficiency, use, and consumption—across sectors.

    Key Components

    • Clauses 4-10 follow Annex SL High-Level Structure for integration.
    • Core elements: energy review, SEUs, EnPIs, EnBs, data collection plans.
    • Emphasizes risk-based thinking, operational controls, procurement, and continual improvement.
    • Optional third-party certification via ISO 50003.

    Why Organizations Use It

    • Drives cost savings (4-20% energy reduction), GHG cuts, resilience.
    • Meets regulatory expectations, enhances ESG reporting.
    • Builds stakeholder trust, competitive edge in procurement.

    Implementation Overview

    • Phased: gap analysis, planning, deployment, evaluation.
    • Involves metering, training, audits; scalable for SMEs to multinationals.
    • Certification optional, involves Stage 1/2 audits, surveillance.

    ISO 27017 Details

    What It Is

    ISO/IEC 27017:2015 is a code of practice extending ISO/IEC 27002 with cloud-specific guidance. It provides implementation advice for information security controls in cloud services, focusing on shared responsibilities between cloud service providers (CSPs) and customers (CSCs). Its risk-based approach adapts generic controls to cloud environments like multi-tenancy and virtualization.

    Key Components

    • Guidance on 37 ISO 27002 controls plus 7 new cloud-specific CLD controls (e.g., segregation, VM hardening, asset removal).
    • Covers domains like access control, operations security, supplier relationships.
    • Built on ISO 27001 ISMS; not standalone certification but integrated into audits.

    Why Organizations Use It

    • Addresses cloud risks amid 94% adoption and 61% incident rates.
    • Enhances procurement trust, regulatory alignment (GDPR/CCPA), competitive edge.
    • Builds stakeholder confidence via auditable cloud posture.

    Implementation Overview

    • Extend existing ISO 27001 with cloud risk assessments, control mapping.
    • Key activities: define responsibilities, configure monitoring, audit integration.
    • Suits CSPs/CSCs globally; joint audits take 9-12 months.

    Key Differences

    Scope

    ISO 50001
    Energy performance management systems
    ISO 27017
    Cloud-specific information security controls

    Industry

    ISO 50001
    All sectors, global, any size
    ISO 27017
    Cloud providers/customers, global IT

    Nature

    ISO 50001
    Voluntary EnMS certification standard
    ISO 27017
    Guidance extending ISO 27001/27002

    Testing

    ISO 50001
    Third-party audits via ISO 50003
    ISO 27017
    Integrated into ISO 27001 audits

    Penalties

    ISO 50001
    Loss of certification, no legal fines
    ISO 27017
    Loss of certification, no legal fines

    Frequently Asked Questions

    Common questions about ISO 50001 and ISO 27017

    ISO 50001 FAQ

    ISO 27017 FAQ

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