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ISO/IEC 27018:2025

ISO/IEC 27018:2025 Information security, cybersecurity and privacy protection — Guidelines for protection of personally identifiable information (PII) in public clouds acting as PII processors

ISO/IEC 27018:2025 is the global standard for managing personally identifiable information (PII) in public cloud services. It provides cloud providers with a framework to ensure privacy, security, and compliance when processing customer data.

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Overview

ISO/IEC 27018:2025 extends the ISO/IEC 27002 controls to address the unique risks of cloud computing, focusing on protecting PII handled by cloud service providers acting as data processors. Its purpose is to establish clear guidelines for transparency, accountability, and privacy-by-design, ensuring organizations meet regulatory obligations and customer expectations. The standard helps providers document control objectives, justify exclusions, and demonstrate compliance with international privacy principles.

This standard is relevant to public cloud providers, enterprises, and government agencies that rely on cloud infrastructure to process sensitive personal data. It applies across industries such as healthcare, finance, and critical infrastructure, where secure handling of PII is essential. The 2025 edition aligns with ISO/IEC 27002:2022 and introduces updated implementation guidance, including a new annex for extended best practices. By adopting ISO/IEC 27018:2025, organizations can strengthen trust, reduce risk exposure, and enhance resilience in cloud-based data processing.

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