ISO/IEC 27018

ISO/IEC 27018
Name	ISO/IEC 27018
Status	Published
Year	2014
Organization	International Organization for Standardization, International Electrotechnical Commission
Domain	Information security, Privacy, Cloud computing

ISO/IEC 27018 ISO/IEC 27018 is an international standard that provides implementation guidance for protecting personally identifiable information (PII) in public cloud services, developed under the joint technical committee of the International Organization for Standardization and the International Electrotechnical Commission. It aligns with broader information security management frameworks and interfaces with standards used by regulators, industry bodies, and multinational organizations such as European Commission, United States Department of Commerce, National Institute of Standards and Technology, and multinational providers including Amazon Web Services, Microsoft, and Google. The standard was published amid growing cross-border data flows involving entities such as United Nations, World Trade Organization, and regional privacy regimes like General Data Protection Regulation.

Overview

ISO/IEC 27018 builds on the structure of ISO/IEC 27001 and ISO/IEC 27002 to address privacy-specific controls for cloud service providers, referencing legal frameworks tied to Data Protection Directive 95/46/EC, California Consumer Privacy Act, and principles from bodies like the Organisation for Economic Co-operation and Development and the Council of Europe. Its drafting involved stakeholders from certification bodies, technology vendors, cloud operators, and public authorities including delegations from United Kingdom, Germany, France, Japan, and India. The standard is often cited in procurement policies of institutions such as European Central Bank, World Bank, and large corporations including IBM, Oracle Corporation, and Salesforce.

Scope and Objectives

The scope targets public cloud service providers that process customer PII, with objectives to minimize risk of unauthorized access and to define responsibilities between cloud providers and cloud customers—positions debated by associations like Cloud Security Alliance and International Association of Privacy Professionals. ISO/IEC 27018 addresses issues raised in international agreements including the Privacy Shield discussions and multilateral trade talks involving G7 and G20 members. Objectives explicitly reference accountability models endorsed by OECD and judicial frameworks shaped by courts such as the European Court of Justice.

Key Controls and Requirements

Controls include obligations for breach notification, data subject request support, minimization of PII, pseudonymization measures, and restrictions on secondary use; these controls intersect with technical standards and guidance from NIST SP 800-53, PCI DSS, and cryptographic recommendations influenced by bodies like Internet Engineering Task Force and European Union Agency for Cybersecurity. Requirements mandate contractual transparency akin to templates used by United Nations Office on Drugs and Crime procurement and reporting comparable to audits by Big Four (auditing firms), with alignment to incident frameworks used by Computer Emergency Response Team organizations and disclosure practices similar to those in Securities and Exchange Commission filings.

Implementation and Certification

Implementation typically follows the risk assessment and management lifecycle promoted by ISO 31000 and certification processes parallel to ISO/IEC 27001 accreditation, involving conformity assessment bodies such as national accreditation bodies of United Kingdom Accreditation Service and Deutsche Akkreditierungsstelle. Certification claims by providers like Dropbox, Box, Inc., and enterprise divisions of Alibaba Group have been scrutinized by consumer advocates including Electronic Frontier Foundation and policy units within European Parliament. Audits often engage auditors affiliated with International Federation of Accountants standards and use management system techniques championed by British Standards Institution.

Relationship to Other Standards

ISO/IEC 27018 is positioned as a cloud-focused extension of ISO/IEC 27001 and ISO/IEC 27002, and it complements privacy frameworks such as ISO/IEC 29100 and regional statutes like Personal Information Protection and Electronic Documents Act. It intersects with sectoral standards and certifications relevant to healthcare and finance, including Health Insurance Portability and Accountability Act requirements and compliance regimes overseen by agencies like Financial Conduct Authority and Federal Financial Institutions Examination Council. Interoperability discussions involve standards-setting organizations such as World Wide Web Consortium and International Telecommunication Union.

Criticism and Limitations

Critics from civil society groups including Privacy International and academic commentators at institutions like Harvard University and Stanford University argue that ISO/IEC 27018 emphasizes provider-side controls over enforceable rights for data subjects and may not substitute for statutory protections in jurisdictions governed by laws such as Brazilian General Data Protection Law or Personal Data Protection Bill (India). Legal challenges and rulings from bodies like the European Court of Human Rights and compliance investigations by national authorities such as Information Commissioner's Office have highlighted limitations in accountability, cross-border transfer mechanisms, and transparency compared with binding instruments like the Budapest Convention or national legislation.

Adoption and Impact

Adoption has been notable among multinational cloud vendors and enterprises serving clients regulated by entities including European Investment Bank, Asian Development Bank, and large telecommunications firms such as Deutsche Telekom and Vodafone Group. The standard influenced contracting practices in transnational projects involving United Nations Development Programme and procurement policies in multinational corporations like Siemens and General Electric. Ongoing debates at forums like Internet Governance Forum and policy workstreams of OECD continue to shape how ISO/IEC 27018 coexists with emergent standards and laws referenced by stakeholders including World Economic Forum and national ministries of information technology.

Category:Information privacy standards