ISO 27001
ISO/IEC 27001 Information Security Management Systems — ISO/IEC JTC 1/SC 27
Also known as: ISO/IEC 27001, ISO 27001:2022, ISMS, ISO 27001:2013, ISO IEC 27001
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At a glance
- Status
- In force
- Next deadline
- None announced
- Who must comply
- Any organization, regardless of type, size or nature, that wants to establish, run and improve an information security management system (ISMS). source
- How it is assessed
- An independent certification body audits the ISMS and issues a certificate, then keeps it under surveillance and recertification audits. source
- Authority
- Published jointly by ISO and IEC (committee ISO/IEC JTC 1/SC 27). Certification bodies certify organizations; national accreditation bodies accredit those certification bodies. source source
- Enforced by
- A voluntary standard with no legal requirements of its own. Certificates to the replaced 2013 edition had to expire or be withdrawn by 31 October 2025. source
- Last change
Internationally recognized certifiable standard for information security management systems (ISMS), used by organizations of any type and size to show a systematic approach to security.
Recent changes
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High
ISO/IEC 24383:2026 FDIS sets requirements for physical network security of customer premises ICT…
IEC has released the Final Draft International Standard (FDIS) of ISO/IEC 24383:2026, available for purchase during its voting period (2026-09-11 to 2026-10-23), with the final publication …
Key dates
No upcoming dates- Certification bodies must use ISO/IEC 27006-1:2024 for all ISO/IEC 27001 clients (end of the 27006-1 transition)
- End of the transition to ISO/IEC 27001:2022: all certifications based on ISO/IEC 27001:2013 expire or are withdrawn
- Certification bodies must begin initial certification and recertification to ISO/IEC 27001:2022 only, no later than this date
- ISO/IEC 27006-1:2024, the requirements for bodies certifying ISMS, is published
Amendments
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ISO/IEC 27001:2022/Amd 1:2024 AmendmentCurrent text
Amendment 1 to the 2022 edition, titled "Climate action changes". source
More
- Clause 4.1 adds that the organization shall determine whether climate change is a relevant issue.
- Clause 4.2 adds a note that relevant interested parties can have requirements related to climate change.
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ISO/IEC 27001:2022 Major version
Third edition; replaced ISO/IEC 27001:2013 and follows the harmonized structure for management system standards. source
More
- Annex A now references the information security controls of ISO/IEC 27002:2022.
- New item 4.2 c): determine which requirements of interested parties the ISMS addresses.
- New subclause 6.3, Planning for changes, requires changes to the ISMS to be planned.
- The notes of 6.1.3 c) were revised and the wording of 6.1.3 d) was re-organized.
- Subclauses of 9.2 (internal audit) and 9.3 (management review) were named and reordered.
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ISO/IEC 27001:2013/Cor 2:2015 Errata
Technical Corrigendum 2 to the 2013 edition. source
More
- Re-organized the wording of clause 6.1.3 d) (Statement of Applicability).
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ISO/IEC 27001:2013/Cor 1:2014 Errata
Technical Corrigendum 1 to the 2013 edition, related to Annex A. source
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ISO/IEC 27001:2013 Major version
Second edition; withdrawn on 25 October 2022 when the 2022 edition was published. source
Show 1 older amendment
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ISO/IEC 27001:2005 Major version
First edition. source
Who it applies to
Any organization that wants a certifiable ISMS. The standard is voluntary, but some regulators and public buyers require certification.
- Who it is for
- The requirements are generic and intended to apply to all organizations, regardless of type, size or nature. source
- What it requires
- Establishing, implementing, maintaining and continually improving an ISMS, including the assessment and treatment of information security risks. source
- No exclusions
- An organization that claims conformity may not exclude any requirement in Clauses 4 to 10. source
- Legal status
- ISO standards are voluntary and contain no contractual, legal or statutory requirements; national laws take precedence. source
- Italy, public sector
- To sell IT services to Italian public bodies through the central marketplace, a provider must meet the requirements of the national cybersecurity agency (ACN), one of which is ISO/IEC 27001 certification with the ISO/IEC 27017 and 27018 extensions. source
- Germany, energy
- Bundesnetzagentur certification schemes for energy grid operators and for energy producers are based on an ISO/IEC 27001 ISMS. source
How compliance is assessed
An independent certification body audits the ISMS and issues a certificate, then keeps it under surveillance and recertification audits.
- Certification audit
- A certification audit is carried out by an independent third-party certification body. source
- Accreditation
- Certification bodies are accredited by a national accreditation body against ISO/IEC 17021-1 and ISO/IEC 27006-1. source
- Rules for certifiers
- ISO/IEC 27006-1:2024 sets requirements for bodies certifying ISMS, in addition to ISO/IEC 17021-1. source
- Audit cycle
- A certificate runs in a certification cycle with surveillance and recertification audits; the 2022 transition audit could be combined with either one. source
- How often
- Not confirmed by an official source yet.
- Checking a certificate
- Accredited certificates from bodies accredited by IAF signatory members can be checked in the IAF CertSearch database. source
Enforcement and penalties
A voluntary standard with no legal requirements of its own. Certificates to the replaced 2013 edition had to expire or be withdrawn by 31 October 2025.
Documents
- Standard ISO/IEC 27001:2022 (catalogue entry; paid standard)
- Standard ISO/IEC 27001:2022/Amd 1:2024 Climate action changes (catalogue entry)
- Standard ISO/IEC 27006-1:2024 Requirements for bodies certifying ISMS (catalogue entry)
- Guidance IAF MD 26:2023 Transition requirements for ISO/IEC 27001:2022
- Guidance IAF MD 29:2024 Transition requirements for ISO/IEC 27006-1:2024
Show 1 more document
Verified against official sources on 18 October 2026. We monitor the official sources for this framework. Watching since 14 September 2026. Subscribe to ISO 27001 (RSS)