Skip to main content

What is the Statement of Applicability?

S
Written by Sally Wood
Updated over 11 months ago

The Statement of Applicability (SoA) is a core component of ISO 27001, which is the leading international standard for managing information security. The SoA is a document that lists all the security controls that are relevant to an organisation's Information Security Management System (ISMS).

It not only details which controls from the ISO 27001 standard are being applied but also includes justification for their inclusion and, importantly, the exclusion of others.

Purpose of the Statement of Applicability

The primary purpose of the SoA is to provide a comprehensive and transparent overview of the organisation’s security measures. It serves as a critical tool for:

  • Decision-making: Assisting management in making informed decisions about security investments.

  • Risk Management: Aligning the ISMS with the organisation's specific risk environment by tailoring the security controls to actual risks.

  • Compliance and Audit Readiness: Demonstrating compliance with ISO 27001 during audits by showing how chosen controls address specific security needs and requirements.

Importance in the ISO 27001 Framework

The SoA is vital for the success of an organisation’s ISMS for several reasons:

  • Customisation of Controls: ISO 27001 provides a list of potential controls, but not all will be relevant to every organisation. The SoA helps customise these controls to fit the specific context of the organisation, ensuring that security measures are both applicable and effective.

  • Documentation and Evidence: The SoA acts as a key piece of documentation that evidences the organisation's commitment to security and its systematic approach to managing information security.

  • Dynamic Tool: The SoA is not a static document; it evolves as the organisation grows and as threats and technologies develop. Regular updates to the SoA ensure that the security posture remains robust and responsive to new challenges.

The Statement of Applicability is an essential element of the ISO 27001 standard. Without a well-defined and meticulously maintained SoA, an organisation's ISMS would lack direction and clarity, potentially exposing it to unmitigated risks. By carefully selecting, justifying, and documenting the applicable controls, organisations can strengthen their security framework, ensuring it meets both current and future security challenges.

By understanding the role and function of the SoA, organisations can better manage their information security risks and demonstrate their commitment to securing stakeholder data. This is not only crucial for ISO 27001 compliance but is also a cornerstone of robust information security management.

By utilising the de.iterate platform, you can ensure that your SoA is up-to-date and effectively.

Did this answer your question?