The global average cost of a data breach is $4.99 million, marking a 12% increase over last year. This statistic underscores why organizations should place greater emphasis on structured information security management and cybersecurity governance. From ransomware attacks, customer records, cloud security risks, and intellectual property, information security is a core business priority. Building an effective information security management system (ISMS) begins with understanding the principles that support it. ISO/IEC 27000:2026, Information security, cybersecurity and privacy protection – Information security management systems – Overview provides organizations with a clear introduction to the concepts, principles, and relationships that underpin the ISO/IEC 27000 family of standards.
Why Information Security Management Matters (ISMS)
Cybersecurity threats continue to increase in frequency, sophistication, and cost, making information security a strategic business priority. An ISMS protects sensitive data, manages security risks, prevents costly financial losses, and maintains customer trust. It centers on the core principles of confidentiality, integrity, and availability to keep an organization safe.
The ISO/IEC 27000 family provides internationally recognized guidance to help organizations achieve these objectives.
ISO/IEC 27000 Family of Standards
The ISO/IEC 27000 family is a comprehensive series of international standards that helps organizations manage information security through an Information Security Management System (ISMS), a structured framework of policies, processes, and controls designed to protect sensitive information, manage risk, and continually improve security performance.
The ISO/IEC 27000 series includes many standards, including (but not limited to):
- ISO/IEC 27001: The core requirement standard for establishing, implementing, maintaining, and continually improving an ISMS. Organizations can become certified to this standard.
- ISO/IEC 27002: The document that covers detailed guidance and best-practice information security controls. It supports the requirements of ISO/IEC 27001.
- ISO/IEC 27005: The standard that offers guidelines for identifying, assessing, treating, and monitoring information security risks as part of an organization’s overall risk management strategy.
Thus, the purpose of the ISO/IEC 27000 family of standards is to help organizations protect their information assets, manage security risks, and establish a trusted, globally recognized framework ISMS.
What Is ISO/IEC 27000:2026?
ISO/IEC 27000:2026 gives an overview of the concepts and principles used in the documents related to information security management systems (ISMS), including ISO/IEC 27001. It explains the purpose of an ISMS, how the standards relate to one another, and the key ideas organizations should understand before implementing or maintaining an information security management system
ISO/IEC 27000:2026 has been given the status of a horizontal document in accordance with the ISO/IEC Directives, Part 1. This is because this international standard provides an explanation of the concepts and principles that underpin information security and ISMS.
What Are the Changes in the 2026 Edition of ISO/IEC 27000?
This sixth edition (ISO/IEC 27000:2026) cancels and replaces the fifth edition (ISO/IEC 27000:2018), which has been technically revised. The main changes are as follows:
- The title has been modified
- The structure of the document has been changed to stress its primary role, which is to provide an overview of, and explain the relationships between, documents related to ISMS (information security management systems) including ISO/IEC 27001
- Text presenting the concepts and principles of information security and information security management systems has been added
- Clause 3, Terms and Definitions, has been modified to only contain definitions for those terms used in presenting the concepts and principles described in this document
- It is no longer a terminology document
ISO/IEC 27000:2026 expands beyond terminology, offering organizations a comprehensive overview of the concepts, principles, relationships, and structure that underpin information security management systems (ISMS).
ISO/IEC 27000 vs. ISO/IEC 27001: What’s the Difference?
Unlike ISO/IEC 27001, which specifies the requirements for establishing, implementing, maintaining, and continually improving an ISMS, ISO/IEC 27000:2026 serves as an introductory guide. It helps organizations, decision-makers, security professionals, auditors, and students understand the framework that supports effective information security management. Specifically, ISO/IEC 27000:2026 helps organizations understand:
- The purpose of an ISMS
- The principles behind risk-based information security management
- How various standards within the ISO/IEC 27000 family complement one another
- The role of continual improvement in maintaining effective security controls
By understanding these concepts first, organizations can approach ISO/IEC 27001 implementation with greater clarity and confidence.
Where to Find ISO/IEC 27000:2026?
ISO/IEC 27000:2026, Information security, cybersecurity and privacy protection – Information security management systems – Overview is available on the ANSI Webstore, the best place to buy ISO Standards.
ISO/IEC 27000:2026 is also available in the Standards Packages, Information Technology – Security Techniques and ISO/IEC 27000 Information Technology Security Techniques Collection.
You can also learn more about ISO/IEC 27000:2026 in our blog post, Information Security Management System (ISO/IEC 27000 Series).