ISO/IEC 27701:2025: The Shift from Security Extension to Privacy Governance

Aug 10

Privacy is no longer just a checkbox or an extension of your security stack. It is evolving into an independent governance capability. The key shift is not that privacy is new, but that it is no longer being treated as something that can be fully managed through security controls alone.

When ISO 27701 was introduced in 2019, it was built as an extension of ISO 27001. That made sense at the time: privacy was largely viewed through a security lens, and organizations were effectively layering privacy compliance on top of existing security programs.

Today, the landscape has shifted. Regulatory complexity, AI-driven data processing, and global vendor ecosystems increasingly require privacy to be treated as a standalone discipline.

ISO/IEC 27701:2025 reflects this evolution. Unlike the 2019 edition, which was designed as an extension to ISO/IEC 27001 and ISO/IEC 27002, the 2025 edition is a standalone Privacy Information Management System (PIMS) standard. It can be implemented independently while still allowing organizations to integrate it with an existing ISO/IEC 27001 information security management system.

For organizations looking to understand what this means in practice, ISO/IEC 27701:2025 provides a structured framework for establishing, implementing, maintaining, and continually improving privacy management. Organizations pursuing certification will need to demonstrate conformity through an ISO/IEC 27701 certification audit conducted by qualified ISO 27701 auditors.

ISO 27701:2019 vs. 2025: What Changed?

The core difference between the two editions is the relationship between privacy management and information security. ISO/IEC 27701:2019 was designed as an extension to ISO/IEC 27001 and ISO/IEC 27002. ISO/IEC 27701:2025 establishes privacy information management as an independent management system, while still allowing organizations to integrate it with an existing ISO/IEC 27001-based ISMS.

The 2019 Model: Privacy as an Extension

Privacy was operationalized through the ISMS structure, with security maturity forming the foundation. Privacy was defined by its relationship to security controls and treated as an extension of information security.

The 2025 Model: Privacy as an Independent Management System

ISO/IEC 27701:2025 changes that relationship.

The 2025 edition establishes ISO 27701 as an independent management system standard. Organizations can implement and certify a PIMS without first maintaining an ISO 27001 certification. At the same time, organizations with an existing ISMS can integrate their privacy and information security management systems.

The shift is significant:

Privacy no longer has to sit underneath information security. It can stand alongside it.

Operationalizing Privacy Through a PIMS

The significance of ISO/IEC 27701:2025 is not simply that privacy has been given a new label. The standard provides a dedicated management system framework for establishing, implementing, maintaining, and continually improving privacy information management.

A Privacy Information Management System brings privacy into organizational processes rather than treating it as a collection of isolated compliance activities.

This can include processes for:

Privacy risk management
Personal information governance
Privacy responsibilities and accountability
Data processing activities
Data subject rights
Third-party and processor relationships
Privacy policies and procedures
Monitoring and continual improvement

The objective is to make privacy management part of how the organization operates rather than treating it as a periodic compliance exercise.

Differentiated Accountability

This shift also enables more precise governance models. By embedding controller and processor roles directly into the framework, ISO/IEC 27701 reflects regulatory privacy structures rather than security-based assumptions.

A controller generally determines the purposes and means of processing personal data, while a processor generally processes personal data on behalf of and under the instructions of a controller. This distinction is rooted in privacy regulation rather than traditional information security frameworks, which is why it represents an important shift in governance thinking.

Rather than applying a uniform security-first approach across all activities, organizations can establish accountability based on their role and responsibilities in the processing of personal information. Controllers have responsibilities relating to transparency, lawful processing, data subject rights, and privacy disclosures. Processors are responsible for processing limitations, sub-processor management, and contractual compliance.

This introduces governance logic that is purpose-built for privacy rather than retrofitted from security frameworks.

Why the 2019 Model Is No Longer Sufficient

ISO/IEC 27701:2019 was an important development in privacy management because it provided a structured way to address privacy within an information security management system.

However, privacy has continued to expand beyond traditional information security concerns.

Organizations now need to consider increasingly complex regulatory requirements, cross-border data transfers, third-party processing, data subject rights, artificial intelligence, and changing expectations around transparency and accountability.

These issues cannot always be addressed through information security controls alone.

The 2025 edition recognizes this broader governance context by providing an independent management system specifically focused on privacy information management.

What Is Driving This Change

This evolution is being driven by increased regulatory enforcement, AI-driven data processing, and more complex cross-border data ecosystems. Privacy requirements now extend beyond traditional security concerns and include multi-jurisdictional regulation, vendor accountability expectations, and stronger demands for transparency and data subject rights.

As a result, privacy can no longer be fully addressed through a security-only framework. ISO/IEC 27701:2025 reflects this evolution in how privacy governance is structured and applied.

What This Means for Organizations

For organizations with an existing ISO/IEC 27001-based ISMS, adopting ISO/IEC 27701:2025 does not mean abandoning information security. The two management systems can work together, and ISO/IEC 27701:2025 can be integrated with an existing ISMS to create a more comprehensive approach to information security and privacy management.

Where appropriate, organizations can pursue ISO/IEC 27001 and ISO/IEC 27701 certification through an integrated audit approach, allowing the information security and privacy management systems to be assessed together. This can provide efficiencies while maintaining the distinct requirements of each standard.

However, ISO/IEC 27701:2025 does not require an organization to have an ISO/IEC 27001 certification. Privacy management can be established independently through a standalone Privacy Information Management System (PIMS).

Organizations preparing for certification should also consider how their PIMS will be evaluated during an ISO 27701 audit. ISO 27701 auditors will assess whether the management system has been established and implemented effectively and whether it meets the applicable requirements of ISO/IEC 27701:2025.

Within this model, ISO/IEC 27701 can be used to establish and demonstrate a structured approach to privacy information management across the organization. This includes how personal data is governed, how data flows are managed, how third parties process personal information, and how data subject rights are operationalized. These are governance requirements, not simply security enhancements, even when privacy management is integrated with an ISO/IEC 27001-based ISMS.

A Structural but Meaningful Transition

The transition from ISO/IEC 27701:2019 to ISO/IEC 27701:2025 represents more than a change in terminology.

The 2019 edition positioned privacy management as an extension of information security. The 2025 edition establishes privacy management as an independent management system while preserving the ability to integrate privacy and information security where organizations choose to do so.

That distinction matters.

Privacy can now be treated as a management discipline in its own right, with its own objectives, risks, responsibilities, processes, and continual improvement activities.

Information security remains an important part of protecting personal information, but it is no longer the only foundation on which privacy governance must rest.

The Path Forward

ISO 27701:2025 marks an important evolution in how organizations can approach privacy management.

If your organization is transitioning from ISO/IEC 27701:2019, or establishing a PIMS for the first time, the move to the 2025 edition is an opportunity to reassess how privacy is governed across the organization. Organizations with an existing ISO 27001 management system can integrate their privacy and security programs, while organizations without an ISMS can establish a standalone PIMS under ISO/IEC 27701:2025.

MHM provides ISO/IEC 27701 certification services for organizations looking to establish and demonstrate a structured approach to privacy information management. Learn more about how MHM can support your certification journey.