TS EN ISO/IEC 27001/A1

TS EN ISO/IEC 27001/A1 is an amendment to the requirements standard for information security management systems, adding a climate-action-related update to the established management-system framework. It sits within the broader family that addresses information security, cybersecurity and privacy protection, and it is intended to support organisations in aligning security governance with changing business and environmental context.

The value of this kind of standard lies in the fact that information security is treated as a managed system rather than a set of isolated technical controls. Policies, roles, risk assessment, continual improvement and management review all work together to protect information assets and support confidentiality, integrity and availability objectives. The climate-action wording signals that external environmental considerations and sustainability expectations can be reflected in the organisation’s system context and governance thinking.

How the information security management system approach works

The ISO/IEC 27001 family defines a framework for systematically managing information security risk. In practice, that framework is associated with access control, incident preparedness, supplier and third-party management, and measurement of security objectives. The standard’s conceptual strength is that it emphasises management commitment, planning and continual improvement, not technology alone.

What an amendment means in practice

An amendment does not rewrite the entire parent standard; it introduces a targeted update or clarification. TS EN ISO/IEC 27001/A1 therefore preserves the core conceptual structure of ISO/IEC 27001 while linking it to climate-action considerations. For organisations, that means information security can be understood not only as a technical compliance topic, but as a management system that should adapt to a changing operating context.

• It belongs to the requirements framework for information security management systems.
• It sits within the family covering information security, cybersecurity and privacy protection.
• It is an amendment to the parent standard, not a standalone full rewrite.
• It reflects a climate-action-related update.
• It supports a management-system view of organisational risk and governance.