✳ International · ISO/IEC 27001

ISO/IEC 27001: managing information security

ISO/IEC 27001:2022 sets requirements for an information security management system. It is read with Amd 1:2024.

International · ISO/IEC 27001Standard explainerLast reviewed

What category of standard this is

ISO/IEC 27001 is a requirements standard for an information security management system (ISMS). The IEC abstract states that the document specifies requirements for an ISMS within the context of the organization. Those requirements cover how to establish, implement, maintain, and continually improve the ISMS. The document also includes requirements for the assessment and treatment of information security risks. Those requirements are tailored to the needs of the organization.

The same abstract states that the requirements are generic. They are intended for organizations of any type, size, or nature. Exclusion of any of the requirements in Clauses 4 to 10 is not acceptable when an organization claims conformity. GRC and management-system owners use ISO/IEC 27001 to run an ISMS. Buyers use ISO/IEC 27001 to check a certificate logo. It is not a statute, and it is not a product feature list.

An ISO logo, a SOC 2 report, a CSF profile, and a CIS Implementation Group are four different objects.

Edition covered

ISO/IEC 27001:2022 is Edition 3. ISO lists the publication date as 2022-10. Stage 60.60 (International Standard published) is stamped 2022-10-25. That is the same date as the IEC webstore publication date (Edition 3.0). The ISO life cycle lists the 2013 edition as withdrawn.

ISO/IEC 27001:2022 is read with ISO/IEC 27001:2022/Amd 1:2024, Amendment 1: Climate action changes. ISO lists the amendment as Edition 3, publication date 2024-02, stage 60.60 on 2024-02-23. It applies to ISO/IEC 27001:2022. The same page notes a French corrected version dated 2024-08. The English publication pin stays 2024-02. The amendment adds a climate-change relevance determination to the clause 4.1 theme. It also adds a note to the clause 4.2 theme. The note states that interested parties can have climate-related requirements. That clause placement comes from the French Online Browsing Platform text of the same amendment. Each citation of this pin must follow a fresh check of the ISO and IEC pages. If a newer edition appears, the pin must change. The older claim is then UNKNOWN.

An ISMS is a management system

An ISMS is the management system that the ISO/IEC 27001 requirements describe. The clause themes are context, leadership, planning, support, operation, performance evaluation, and improvement. Those are the Clause 4 to 10 families. A management-system requirement is not a product feature that ships.

Annex A is a reference control set. The organization considers it through risk treatment and a Statement of Applicability. The statement records which reference controls are included or excluded, and why. A photocopy of Annex A, with no risk treatment and no Statement of Applicability, is folklore.

A scoped certificate is a defined ISMS

An organization can choose to seek accredited certification. That certification is evidence that a certification body assessed a defined ISMS scope against the 27001 requirements. The ISO catalog page states that organizations can implement the standard without certification. It states that a certificate from an accredited conformity assessment body is one way to show that commitment. It also asks for the full reference, for example, certified to ISO/IEC 27001:2022. It asks for a check with the certification body that issued the certificate before logo use.

A buyer asks which organizational units, locations, processes, and information types are in scope. The buyer also asks what is carved out and which edition string is on the certificate. The buyer asks when surveillance or recertification applies. The certificate covers a defined ISMS. It does not mean the whole company is safe forever. The certificate itself is the evidence to read. Whether any specific organization holds a certificate is UNKNOWN until that certificate is in hand.

What ISO/IEC 27001 is not

ISO/IEC 27001 is not a do-it-yourself certificate project plan. Counsel decides whether a specific organization must certify.

Rewrite the one-line claim

The blob "they are ISO, SOC 2, CSF, and CIS compliant" mixes four objects. Exact replacement: "They hold or claim ISO/IEC 27001:2022 assurance, with Amd 1:2024 (Climate action changes) in view, for ISMS scope X." That is different from a SOC 2 report for system Y and from CSF 2.0 outcomes. It is also different from a CIS Implementation Group, which is a discipline for a first step.

A logo can appear. The team then privately asks for the scope, the edition string, and the carve-outs. Those answers come before any treatment of the logo as product assurance.

An ISO certificate is not product immunity, SOC 2, CSF, or CIS IG1

Six phrases about an ISO logo, each with its correction.
Phrase people useLiteracy correction
They have ISO 27001, so the product is immune / safeA scoped ISMS certificate is management-system assurance for a defined scope. It is not a product immunity badge.
ISO certificate = SOC 2 doneSOC 2 is a CPA attestation report on controls relevant to Trust Services Criteria for a described system. It is a different assurance family. Atlas card: /learn/explainers/soc-2/.
ISO certificate = CSF profile doneCSF 2.0 is outcomes and function language. An ISMS certificate is not automatic proof that a CSF profile is complete. Atlas card: /reference/frameworks/nist-csf-2-0/. Lesson: /learn/topics/outcomes-then-controls/.
ISO certificate = CIS IG1 doneCIS Implementation Groups are a hygiene prioritization discipline. They are not an ISO certificate. Atlas card: /reference/frameworks/cis-controls-8-1/. IG literacy: /learn/explainers/cis-implementation-groups/.
Annex A checklist with no SoASelection of controls without risk treatment and a Statement of Applicability is folklore.
We follow ISO 27001, so we are certifiedAn organization can implement the standard without certification. A certificate comes only from a certification body that assessed a defined scope.

Common misconceptions

An ISO 27001 certificate means the product cannot be breached.

The certificate covers the management system inside a defined ISMS scope. It does not prove that a product resists attack.

ISO, SOC 2, CSF, and CIS IG1 are interchangeable compliance badges.

They are different objects. SOC 2 is a CPA attestation report. CSF 2.0 is outcomes language. CIS Implementation Groups are a hygiene discipline for a first step. An ISMS certificate does not finish the others.

Annex A is a mandatory photocopy checklist, and a Statement of Applicability is optional.

Annex A is considered through risk treatment and a Statement of Applicability.

An ISO/IEC 27001:2013 certificate shows the current edition.

ISO lists the 2013 edition as withdrawn. The current edition is ISO/IEC 27001:2022, read with Amd 1:2024. The edition string on the certificate shows which edition the assessment used.

A vendor homepage shield is an ISO certificate.

A certification body issues a certificate when an organization seeks one. A shield shows no scope and no edition string.

What to read on the certificate

Four questions for a scoped ISMS certificate.
AskWhat a buyer readsWhat it does not prove
Scope boundaryWhich organizational units, locations, processes, and information types are inside the ISMSNot proof that the whole company is safe forever.
Carve-outsWhat the certificate leaves outside the scopeNot a silent claim that everything is covered.
Edition stringISO/IEC 27001:2022 on the certificate, and whether Amd 1:2024 is in viewNot a bare ISO 27001 logo with no edition.
Surveillance and recertificationThe dates that the certification body statesNot a one-time badge that never needs another look.

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