What Changed in the Guidelines for Auditing Management Systems? #
Introduction #
ISO 19011 provides guidance for auditing management systems, including the principles of auditing, management of audit programmes, conducting audits, and evaluation of auditor competence. The 2026 edition is the fourth edition and replaces ISO 19011:2018. The revision does not completely redesign the audit process; instead, it modernises and strengthens the guidance to reflect digitalisation, remote and hybrid auditing, emerging technology, information security, changing organisational structures, and more explicit expectations for audit programme governance and auditor competence.
Important context: ISO 19011 is a guidance standard. It is not itself a management-system certification standard and does not create certifiable requirements in the same way as ISO 9001, ISO 14001 or ISO 45001. In this article, the word “requirement” is therefore used in the practical sense of guidance, expectations and recommended audit practices.
Executive Summary – Main Direction of Change #
| Area | ISO 19011:2018 | ISO 19011:2026 | Practical Significance |
|---|---|---|---|
| Remote auditing | Remote methods were already recognised, mainly through guidance and Annex A. | Remote auditing is formally defined, more consistently embedded in programme planning, and Annex A is expanded with stronger reference to ISO/IEC TS 17012. | Remote and hybrid audits should be planned as deliberate audit methods, not merely as substitutes for site visits. |
| Technology and digital tools | ICT was considered mainly as a resource for remote auditing. | Digital tools and emerging technology are more explicit in context, competence and auditing methods; AI-based evaluation tools are specifically given as an example. | Auditors need competence to use technology appropriately and to understand its limitations, security implications and effect on audit evidence. |
| Audit programme governance | Risk-based programme management was established. | Greater emphasis is placed on programme integrity, leadership support, observer criteria, technology, security, auditee cooperation and evidence availability. | Audit programme managers need a broader governance view, beyond schedules and auditor allocation. |
| Supply chain focus | The wording commonly referred to external providers. | 2026 uses broader supply-chain language and refers to organisations that are part of the supply chain. | Audit programmes can more clearly address suppliers, contractors and other organisations across the supply chain. |
| Auditor competence | Competence covered audit principles, context, legal requirements and discipline-specific knowledge. | Competence expands to emerging technology, technology-based processes, ICT tools, AI-supported evaluation, health/safety/security arrangements and changing audit practices. | Training and auditor evaluation criteria should be updated. |
| Conducting audits | Core sequence was already established. | The sequence remains familiar but contains more explicit treatment of audit risks, team presence, virtual locations, information access, observer control, top-management attendance and changing circumstances. | Existing procedures remain usable but should be updated for modern audit conditions. |
1. What Is New or Significantly Strengthened in ISO 19011:2026? #
1.1 Remote auditing becomes a more explicit part of the standard #
The 2018 edition already recognised remote audit methods and the use of information and communication technology. The 2026 edition goes further by introducing a specific definition for a “remote auditing method” in Clause 3.4 and by integrating remote auditing more visibly into audit-programme design, method selection and technology planning. The 2026 foreword also identifies expanded remote-auditing guidance, including content associated with ISO/IEC TS 17012 and virtual locations, as one of the principal technical changes.
- Audit programmes should explicitly decide where on-site, remote or combined methods are appropriate.
- The suitability of remote methods should be judged against audit objectives, evidence accessibility, ICT capability, confidentiality and security.
- Virtual locations should be treated as legitimate audit locations where activities or services are performed through an online environment.
- Remote auditing should not automatically mean a lower level of audit rigour; the method still has to produce sufficient and appropriate audit evidence
1.2 Digital tools and emerging technology are now more visible #
A major modernisation in the 2026 edition is the explicit recognition of technology as part of the auditee’s context and as an auditor-competence consideration. Clause 5.1 now includes the application of technology such as digital tools when understanding the auditee. Clause 7.2.1 calls for consideration of methods that use emerging technology to facilitate audits or audit technology-based processes. Clause 7.2.3.2 also expects auditors to understand the appropriateness and consequences of using ICT and emerging technology, with artificial-intelligence-based evaluation tools given as an example.
- Audit teams may need competence in digital platforms, remote collaboration, data analytics and technology-enabled evidence collection.
- Use of AI or automated evaluation tools does not remove the need for professional judgement, verification and evidence-based conclusions.
- Organisations should review whether their auditor competence matrices and training programmes cover digital and emerging-technology skills.
- Information security, confidentiality and data protection become more important when audit evidence is accessed or transferred digitally.
1.3 Stronger audit-programme governance and leadership support #
The 2026 edition expands the range of risks considered in managing an audit programme. In addition to planning, resources, team selection, communication and implementation, it expressly identifies sponsorship or leadership engagement, auditee availability and cooperation, evidence availability, and security of ICT methods as matters that can affect programme success.
- Audit programmes need visible leadership support, particularly when access, resources or cross-functional cooperation are necessary.
- Programme managers should treat availability of evidence and cooperation of the auditee as programme risks, not only operational inconveniences.
- Technology platform security should be assessed when remote or digital audit methods are used.
- Audit-programme risk reviews should be updated before important, complex or high-risk audits.
1.4 Broader and clearer supply-chain perspective #
The 2018 edition commonly referred to evaluation of external providers. ISO 19011:2026 broadens this language to organisations that are part of the supply chain and uses supply-chain capability as an audit-programme consideration. This makes the guidance easier to apply to more complex supplier, contractor, outsourced-service and multi-tier supply-chain arrangements.
- Second-party audit programmes should consider the whole relevant supply-chain relationship, not only a direct supplier.
- Audit objectives can include establishing confidence in the capability of an organisation in the supply chain.
- Changes in supply-chain organisations can be a trigger for audit-programme review.
1.5 More explicit consideration of combined and multi-discipline audits #
The 2026 edition adds clearer references to combined audits and differing discipline-specific requirements. Audit-programme objectives can consider differing requirements covered during a combined audit, and individual audit objectives may consider sector-specific management-system auditing standards.
- Integrated audits should not simply merge checklists; interactions and competing priorities between management-system disciplines should be considered.
- Audit-team competence should collectively cover all relevant disciplines and sectors.
- Audit planning should recognise where one discipline applies to the whole organisation while another has a narrower scope.
1.6 Audit planning is more clearly linked to practical risk factors #
The 2026 edition strengthens the practical application of the risk-based approach to audit planning. Examples include product or process complexity, customer complaints, previous findings, and changes in regulatory or operational environments. The audit plan should also consider risks created by the presence of the audit team itself.
- Audit time and sampling should be concentrated where risk, complexity or weak performance justify greater attention.
- Audit-team activities should not create unacceptable health, safety, environmental, quality or operational risks for the auditee.
- Joint and combined audits need stronger coordination of time, sampling and team activities.
1.7 Auditor competence is expanded for modern audit conditions #
The fundamental competence model remains, but the 2026 edition makes competence more contemporary. It adds explicit consideration of emerging technology, technology-based processes, evaluation of risks and opportunities, ICT tools, AI-enabled evaluation, information security, and health, safety and security arrangements affecting the audit team.
- Auditor evaluation criteria should be reviewed rather than automatically carrying forward the 2018 competence matrix.
- Lead auditors should be able to manage audit uncertainty and the health, safety and security of audit-team members.
- Continual professional development should consider developments in auditing practice, including technology.
2. Significant Aspects Organisations Should Address for the 2026 Edition #
For organisations already using ISO 19011:2018, the transition should focus less on replacing the entire audit process and more on strengthening the areas that the 2026 edition makes more explicit. The following items deserve priority.
| Area to Review | Recommended 2026 Action |
|---|---|
| Audit programme procedure | Update the procedure to address digital tools, remote/hybrid audit methods, observer participation, ICT security, auditee cooperation, evidence availability and leadership sponsorship. |
| Audit programme risk assessment | Expand risk considerations beyond timing and resources to include secure technology platforms, evidence accessibility, competence gaps, leadership support and cooperation of the auditee. |
| Audit method selection | Define criteria for deciding between on-site, remote and combined methods, including limitations and risks of each method. |
| Auditor competence matrix | Add competence related to emerging technology, remote auditing, ICT tools, digital evidence, information security, risk-based planning and technology-based processes. |
| Audit planning template | Include physical and virtual locations, technology requirements, remote-access arrangements, audit-team safety/security needs, sampling, observer/guide arrangements and risks to the auditee. |
| Opening meeting agenda | Ensure arrangements for audit methods, information security, health and safety, access, emergency arrangements, observer roles, sampling and communication are addressed where relevant. |
| Audit evidence controls | Strengthen verification of electronically obtained evidence, confidentiality, data protection, retention and secure transfer of information. |
| Combined audit arrangements | Review competence and planning where multiple disciplines or standards are audited at the same time. |
| Supply-chain audits | Broaden second-party programmes where appropriate from direct external providers to relevant organisations within the supply chain. |
| Continual professional development | Include technology developments and changing audit practices in auditor CPD plans. |
3. What from ISO 19011:2018 Was Removed, Reframed or No Longer Stated the Same Way? #
Care is needed when describing content as “removed”. In several cases, the 2026 edition does not eliminate the underlying principle; instead, it shortens, relocates or reframes the wording. The following are notable examples from a practical gap-analysis perspective.
| 2018 Content | 2026 Treatment | Status | What It Means |
|---|---|---|---|
| Specific 2018 statement on internal audit programmes contributing to other organisational objectives The 2018 text explicitly stated that planning of internal audit programmes, and in some cases external-provider audit programmes, could be arranged to contribute to other organisational objectives. | That sentence is not retained in the same explicit form in the 2026 Clause 5.1 text. | Not retained in the same wording / reframed | The concept is not prohibited. Organisations can still align audit programmes with strategic and operational objectives, but it is no longer a distinct sentence to reproduce in procedures. |
| Detailed 2018 wording on outsourced functions and identifying ‘top management of the management system’ The 2018 edition contained more specific wording about important outsourced functions managed under the leadership of other organisations and identifying what constitutes top management of the management system. | The 2026 edition simplifies this to multiple locations or important functions sourced externally, with attention to where important decisions are made and to audit-programme design, planning and review. | Not retained in the same wording / reframed | The underlying concern remains, but the wording is more general and easier to apply to different organisational models. |
| Small-organisation example under independence The 2018 explanation specifically referred to small organisations as situations where full internal-auditor independence might not be possible. | The 2026 wording removes the specific ‘small organisations’ example and instead states generally that where internal auditors cannot be independent, efforts should be made to remove bias and encourage objectivity. | Not retained in the same wording / reframed | The principle is retained; the example is generalised rather than deleted. |
| Specific example of ‘criminal acts’ under events affecting the audit programme The 2018 list of internal and external events explicitly included criminal acts. | The 2026 wording gives broader examples involving nonconformities and incidents affecting information security, health and safety or the environment, without separately listing criminal acts. | Not retained in the same wording / reframed | Criminal or security events can still be relevant if they affect the programme; the example is simply no longer singled out. |
| Specific ‘clean room attire’ example The 2018 resource guidance included an example referring to the ability to wear clean-room attire. | The 2026 text uses broader wording around industry-appropriate attire, while clean-room contamination remains an example elsewhere in audit-planning risk guidance. | Not retained in the same wording / reframed | The issue is not substantively removed; the example has been generalised and redistributed. |
Therefore, an organisation should not treat every wording deletion as a withdrawal of good audit practice. The more useful question is whether the intent has disappeared, moved to another clause, or been expressed in broader language.
4. Clause-by-Clause Gap Overview #
| Clause | 2018 → 2026 Position | Key Gap / Transition Point |
|---|---|---|
| Clause 1 – Scope | Fundamental scope remains consistent. | No major change in audit-process purpose; still covers audit principles, audit programmes, conducting audits and competence. |
| Clause 2 – Normative references | No normative references. | No practical change. |
| Clause 3 – Terms and definitions | Core audit terminology retained. | New explicit definition for remote auditing method; subsequent term numbering changes. |
| Clause 4 – Principles of auditing | Seven principles retained. | Core principles remain stable. Some wording is streamlined; independence language is generalised. |
| Clause 5 – Managing an audit programme | Same overall framework. | More explicit technology context, observer criteria, remote methods, leadership sponsorship, ICT security, auditee cooperation, supply-chain language and programme governance. |
| Clause 6 – Conducting an audit | Same broad audit flow. | Expanded risk-based planning, physical/virtual locations, team-presence risks, access/security arrangements, observer control, stronger top-management involvement at closing meeting, and contemporary treatment of evidence and information. |
| Clause 7 – Competence and evaluation of auditors | Competence framework retained. | Stronger focus on emerging technology, risk/opportunity evaluation, ICT and AI-supported tools, information security, team health/safety/security and CPD for technology developments. |
| Annex A – Additional guidance | 2018 already contained extensive practical guidance. | 2026 expands remote-auditing and virtual-location guidance and aligns this area more clearly with ISO/IEC TS 17012. |
5. Other Important Points to Elaborate #
5.1 ISO 19011:2026 does not make every audit remote #
The revision recognises that audits can be on-site, remote or a combination. Selection should depend on objectives, scope, criteria, evidence, technology capability and associated risks. A remote method is appropriate only when it can support an effective audit.
5.2 Technology should support—not replace—professional judgement #
The reference to AI-based evaluation tools is significant because it acknowledges how audits are changing. However, audit findings still depend on verifiable evidence, auditor competence and reasoned judgement. Automated analysis should therefore be treated as a tool, not as an autonomous audit conclusion.
5.3 Information security becomes an audit-management issue #
Digital evidence, shared platforms, remote access and audiovisual information can create confidentiality, cybersecurity and data-protection risks. Audit procedures should define how information is accessed, stored, transferred, retained and disposed of.
5.4 The audit team can itself create risk #
ISO 19011:2026 gives clearer attention to risks caused by audit activities or by the physical presence of the audit team. This is important in hazardous industries, controlled environments, laboratories, food facilities, clean areas, power plants and other operational settings.
5.5 Top management visibility is more explicit at the closing stage #
The 2026 wording states that the closing meeting should be attended by the top management of the auditee, with other relevant participants as applicable. Organisations should review their internal-audit closing-meeting arrangements where results are currently communicated only to operational representatives.
5.6 Compliance auditing remains distinct from a legal compliance audit #
Auditors should understand applicable statutory and regulatory requirements relevant to the management system, but ISO 19011 does not turn a management-system auditor into a legal specialist. Organisations should distinguish management-system evaluation of compliance processes from a dedicated legal-compliance audit.
5.7 Existing audit systems do not need to be discarded #
The seven audit principles, audit-programme cycle, audit sequence and competence framework remain recognisable. Most organisations can transition by updating procedures, templates, competence criteria and risk controls rather than rebuilding the entire internal-audit system.
6. Recommended Transition Checklist from 2018 to 2026 #
- Confirm that the organisation is using ISO 19011:2026 as the current audit-guidance reference.
- Review and update the audit programme procedure and terminology.
- Add criteria for selecting on-site, remote and hybrid auditing methods.
- Identify physical and virtual audit locations during planning.
- Update audit-programme risk and opportunity assessment.
- Include technology, ICT security, confidentiality and data-protection controls.
- Review criteria for participation and control of observers.
- Update the audit-team competence matrix for emerging technology and digital audit methods.
- Evaluate whether auditors understand the appropriate use and limitations of AI-supported evaluation tools.
- Strengthen controls for electronic, audiovisual and remotely accessed audit evidence.
- Review health, safety, security and access arrangements for audit-team members.
- Update combined-audit planning and competence requirements where multiple disciplines are audited.
- Review second-party audit programmes for broader supply-chain application.
- Update opening- and closing-meeting templates.
- Review auditor evaluation and continual professional development plans.
- Brief internal auditors, lead auditors and audit-programme managers on the changes.
Source References #
ISO 19011:2018 reference page: https://oshisis.com/docs/iso-190112018-guidelines-for-auditing-management-systems/
ISO 19011:2026 reference page: https://oshisis.com/docs/iso-190112026-guidelines-for-auditing-management-systems/
Comparison prepared against the clause content and wording available in the above OSHISIS reference pages and the supplied ISO 19011:2026 document.