Comparison

ISO 9001 vs ISO 27001 — quality system or security system?

ISO 9001 guide ISO 27001 guide

Published Reviewed

Both use the ISO management-system structure. ISO 9001 focuses on quality and customer requirements; ISO 27001 on information-security risk.

Side by side

Dimension ISO 9001 ISO 27001
Objective Consistent products and services, customer satisfaction and improvement. Confidentiality, integrity and availability through an ISMS.
Risk lens Risks and opportunities affecting quality objectives and processes. Information-security risks assessed and treated with selected controls.
Control record Processes, criteria, monitoring, nonconformity and improvement. Risk treatment, Statement of Applicability, controls, incidents and improvement.
Certification Conformity of the defined quality management system. Conformity of the defined information security management system.

How they combine

Integrate shared governance, document control, audit, corrective action, and management review while preserving the distinct objectives, risk methods, and evidence each standard requires.

A quick self-check

Are you ready?

  • Are shared processes genuinely one process rather than duplicated templates?
  • Can each standard’s scope and objectives be stated independently?
  • Do internal audits test both quality and security outcomes?
ISO 9001 An international requirements standard for quality management systems and consistent delivery. ISO 27001 An international requirements standard for establishing and improving an information security management system.

This comparison is general information about public law and standards, not legal advice, and does not create a client relationship. Rules change and apply differently by situation. Verify the current official sources and seek qualified advice where needed.