ISO/IEC 27001

Mon, 01 Jan 0001 00:00:00 +0000

ISO/IEC 27001 is the world’s most widely recognized standard for Information Security Management Systems (ISMS). It is published jointly by ISO (International Organization for Standardization) and IEC (International Electrotechnical Commission) — making it a truly international standard, not tied to any single country or jurisdiction. The current version is ISO/IEC 27001:2022, which replaced the 2013 edition and restructured its Annex A controls to align with the updated ISO/IEC 27002:2022 guidance (93 controls organized in 4 themes: Organizational, People, Physical, Technological). The standard specifies requirements (clauses 4–10) for establishing, implementing, maintaining, and continually improving an ISMS — covering context analysis, leadership commitment, risk assessment, treatment planning, operational controls, performance evaluation, and continuous improvement. Certification is voluntary but has become a global market expectation: ISO 27001 certification is required by countless procurement policies, regulatory frameworks (NIS2 references it, ENS aligns with it, E-ITS accepts it as equivalent, BSI IT-Grundschutz enables ISO 27001 certification), and customer contracts. Certification is issued by accredited certification bodies (accredited under ISO/IEC 17021) following a two-stage audit process, valid for 3 years with annual surveillance audits. Over 70,000 organizations worldwide hold ISO 27001 certification. Unlike prescriptive frameworks (DISA STIG, CIS Benchmarks), ISO 27001 is risk-based and outcome-oriented — it specifies what must be achieved but not how, allowing organizations to tailor implementations to their context.

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ISO/IEC 27001