--- title: "ISO/IEC 27005 Qualitative vs Quantitative Method Comparison" canonical_url: "https://www.sorena.io/artifacts/global/iso-27005/qualitative-vs-quantitative-method" source_url: "https://www.sorena.io/artifacts/global/iso-27005/qualitative-vs-quantitative-method" author: "Sorena AI" description: "Qualitative vs Quantitative Method for ISO/IEC 27005 Information Security Risk Management: practical decisions, evidence, owners, review cadence, and source-linked implementation guidance." published_at: "2026-05-09" updated_at: "2026-05-09" keywords: - "ISO/IEC 27005" - "information security risk management" - "qualitative risk assessment" - "quantitative risk assessment" - "risk methodology comparison" - "ISO/IEC 27005 Information Security Risk Management" - "Qualitative vs Quantitative Method" - "global compliance" --- **[SORENA](https://www.sorena.io/)** - AI-Powered GRC Platform [Home](https://www.sorena.io/) | [Solutions](https://www.sorena.io/solutions) | [Artifacts](https://www.sorena.io/artifacts) | [About Us](https://www.sorena.io/about-us) | [Contact](https://www.sorena.io/contact) | [Portal](https://app.sorena.io) --- # ISO/IEC 27005 Qualitative vs Quantitative Method Comparison Qualitative vs Quantitative Method for ISO/IEC 27005 Information Security Risk Management: practical decisions, evidence, owners, review cadence, and source-linked implementation guidance. *Side-by-side* *Global* *ISO/IEC 27005* ## ISO/IEC 27005 Qualitative vs Quantitative Method This comparison page helps choose the right risk-management approach by scope, evidence, approval, and review requirements. Applied to this decision area, this page focuses on scope, ownership, evidence, review triggers, and escalation criteria supported by source-linked risk-management guidance. ISO/IEC 27005 allows organizations to use qualitative, quantitative, or semi-quantitative risk assessment approaches. This page explains when to start with qualitative risk assessment, when quantitative analysis is worth adding, and how to keep the choice aligned with evidence, ownership, and review needs. ## Qualitative vs Quantitative Method: scope, duties, evidence, and decision rule This comparison identifies when Qualitative is the right operating model, when Quantitative Method controls the analysis, and how to reuse evidence without mixing sources. - **Qualitative**: Qualitative is the primary scoping column: use it to confirm covered facts, accountable owners, mandatory artifacts, timing, and enforcement exposure before assigning implementation work. - **Quantitative Method**: Quantitative Method is the second workstream in this comparison. Use it to test where the comparator has different scope, owners, triggers, evidence, timing, enforcement, and reuse limits from Qualitative. | Dimension | Qualitative | Quantitative Method | Operational implication | Sources | | --- | --- | --- | --- | --- | | Scope and covered activity | Qualitative risk assessment applies when the organization lacks the data to assign monetary values, when speed or simplicity is prioritized, or when the audience needs a narrative rather than a financial output. It covers all assets and threats in the assessment scope using descriptive likelihood and impact scales. | Quantitative risk assessment applies when the organization can source reliable loss-event data, actuarial figures, or asset valuations and needs to produce Annualized Loss Expectancy figures for budget justification or insurance purposes. It covers the same assets but requires validated input data for each probability and impact estimate. | Write the scope memo so teams can see when Qualitative is the implementation structure, when Quantitative Method controls the obligation or assurance question, and where evidence can be reused without changing the source test. | [ISO - Standards overview](https://www.iso.org/standards.html?ref=sorena.io) - Useful background for explaining standards generally, but the comparison itself should be anchored in ISO/IEC 27005 and risk-assessment method sources. | | Who must act | Qualitative ownership should sit with the team that can operate the relevant management system, control process, risk method, supplier relationship, incident process, privacy process, or AI governance scope. | Quantitative Method ownership should follow that source's role model, such as regulator-facing accountable body, service organization, framework owner, provider, customer, processor, deployer, supplier, or risk owner. | Do not copy owners from one side to the other; map accountable owners, reviewers, and approvers separately. | [ISO - Standards overview](https://www.iso.org/standards.html?ref=sorena.io) - Explains what ISO standards are and how organizations use them. | | Trigger or threshold | Qualitative work is triggered by scope definition, implementation, certification readiness, customer assurance, control gaps, incidents, supplier changes, or management review. | Quantitative Method work is triggered by its own legal, assurance, framework, contract, customer, or risk-management event. | Route intake using this trigger for standards implementation, regulatory response, assurance report, framework mapping, customer request, or operational remediation. | [ISO - Standards overview](https://www.iso.org/standards.html?ref=sorena.io) - Explains what ISO standards are and how organizations use them. | | Core obligations | Qualitative requires practical governance: scope, roles, risk or impact decisions, evidence, operating cadence, monitoring, review, and improvement. | Quantitative Method expects its own required or recommended outcomes, which may include legal duties, assurance criteria, control objectives, profiles, or risk methodology. | Translate both sides into a single task register only after labeling which requirement or guidance source each task satisfies. | [ISO - Standards overview](https://www.iso.org/standards.html?ref=sorena.io) - Explains what ISO standards are and how organizations use them. | | Evidence and records | Qualitative evidence should show the process operating: owners, decisions, registers, control records, test results, review minutes, audit samples, or corrective actions. | Quantitative Method evidence should match its own proof model, such as regulatory records, attestation evidence, framework profiles, risk analysis, or contractual assurance. | Build an evidence matrix with one row per claim and columns for source, owner, artifact, date, review trigger, and reuse permission. | [ISO - Standards overview](https://www.iso.org/standards.html?ref=sorena.io) - Explains what ISO standards are and how organizations use them. | | Timing and cadence | Qualitative timing follows implementation, audit, certification, review, supplier, incident, or change cycles rather than a single universal deadline. | Quantitative Method timing follows the legal effective date, assurance period, framework version, contract milestone, or publication lifecycle that applies to that side. | Track dates separately so an ISO review cycle does not get mistaken for a statutory deadline or assurance reporting period. | [ISO - Standards overview](https://www.iso.org/standards.html?ref=sorena.io) - Explains what ISO standards are and how organizations use them. | | Enforcement or assurance route | Qualitative is usually tested through certification audits, internal audits, customer assurance, management review, or governance review, depending on how the organization adopts it. | Quantitative Method may be enforced, audited, attested, assessed, or used voluntarily depending on whether it is law, assurance criteria, a framework, or guidance. | Separate audit readiness from legal compliance and from voluntary framework maturity so executives see the actual consequence of gaps. | [ISO - Standards overview](https://www.iso.org/standards.html?ref=sorena.io) - Explains what ISO standards are and how organizations use them. | | Overlap and reuse | Qualitative can supply reusable management-system evidence, control operation records, risk decisions, and review outputs. | Quantitative Method can reuse some of that evidence when the control, process, risk, or duty is genuinely the same. | Reuse evidence only after checking scope, actor, date, data type, service, supplier, and acceptance criteria; otherwise keep separate records. | [ISO - Standards overview](https://www.iso.org/standards.html?ref=sorena.io) - Explains what ISO standards are and how organizations use them. | | Practical decision rule | Use Qualitative when the main work is building, operating, reviewing, or proving a management-system or standards-based control process. | Use Quantitative Method when the main work is satisfying that side's law, assurance route, framework outcome, risk method, or external reporting expectation. | If both apply, keep the primary obligation visible and use the other side as supporting structure, not as a substitute source. | [ISO - Standards overview](https://www.iso.org/standards.html?ref=sorena.io) - Explains what ISO standards are and how organizations use them. | Sources for Scope and covered activity - Qualitative: - [ISO - Standards overview](https://www.iso.org/standards.html?ref=sorena.io) - Useful background for explaining standards generally, but the comparison itself should be anchored in ISO/IEC 27005 and risk-assessment method sources. - Quote: "Think of them as a formula that describes the best way of doing something." Sources for Scope and covered activity - Quantitative Method: - [ISO - Standards overview](https://www.iso.org/standards.html?ref=sorena.io) - Useful background for explaining standards generally, but the comparison itself should be anchored in ISO/IEC 27005 and risk-assessment method sources. - Quote: "Think of them as a formula that describes the best way of doing something." Sources for Scope and covered activity - operational implication: - [ISO - Standards overview](https://www.iso.org/standards.html?ref=sorena.io) - Useful background for explaining standards generally, but the comparison itself should be anchored in ISO/IEC 27005 and risk-assessment method sources. - Quote: "Think of them as a formula that describes the best way of doing something." Sources for Who must act - Qualitative: - [ISO - Standards overview](https://www.iso.org/standards.html?ref=sorena.io) - Explains what ISO standards are and how organizations use them. - Quote: "Think of them as a formula that describes the best way of doing something." Sources for Who must act - Quantitative Method: - [ISO - Standards overview](https://www.iso.org/standards.html?ref=sorena.io) - Explains what ISO standards are and how organizations use them. - Quote: "Think of them as a formula that describes the best way of doing something." Sources for Who must act - operational implication: - [ISO - Standards overview](https://www.iso.org/standards.html?ref=sorena.io) - Explains what ISO standards are and how organizations use them. - Quote: "Think of them as a formula that describes the best way of doing something." Sources for Trigger or threshold - Qualitative: - [ISO - Standards overview](https://www.iso.org/standards.html?ref=sorena.io) - Explains what ISO standards are and how organizations use them. - Quote: "Think of them as a formula that describes the best way of doing something." Sources for Trigger or threshold - Quantitative Method: - [ISO - Standards overview](https://www.iso.org/standards.html?ref=sorena.io) - Explains what ISO standards are and how organizations use them. - Quote: "Think of them as a formula that describes the best way of doing something." Sources for Trigger or threshold - operational implication: - [ISO - Standards overview](https://www.iso.org/standards.html?ref=sorena.io) - Explains what ISO standards are and how organizations use them. - Quote: "Think of them as a formula that describes the best way of doing something." Sources for Core obligations - Qualitative: - [ISO - Standards overview](https://www.iso.org/standards.html?ref=sorena.io) - Explains what ISO standards are and how organizations use them. - Quote: "Think of them as a formula that describes the best way of doing something." Sources for Core obligations - Quantitative Method: - [ISO - Standards overview](https://www.iso.org/standards.html?ref=sorena.io) - Explains what ISO standards are and how organizations use them. - Quote: "Think of them as a formula that describes the best way of doing something." Sources for Core obligations - operational implication: - [ISO - Standards overview](https://www.iso.org/standards.html?ref=sorena.io) - Explains what ISO standards are and how organizations use them. - Quote: "Think of them as a formula that describes the best way of doing something." Sources for Evidence and records - Qualitative: - [ISO - Standards overview](https://www.iso.org/standards.html?ref=sorena.io) - Explains what ISO standards are and how organizations use them. - Quote: "Think of them as a formula that describes the best way of doing something." Sources for Evidence and records - Quantitative Method: - [ISO - Standards overview](https://www.iso.org/standards.html?ref=sorena.io) - Explains what ISO standards are and how organizations use them. - Quote: "Think of them as a formula that describes the best way of doing something." Sources for Evidence and records - operational implication: - [ISO - Standards overview](https://www.iso.org/standards.html?ref=sorena.io) - Explains what ISO standards are and how organizations use them. - Quote: "Think of them as a formula that describes the best way of doing something." Sources for Timing and cadence - Qualitative: - [ISO - Standards overview](https://www.iso.org/standards.html?ref=sorena.io) - Explains what ISO standards are and how organizations use them. - Quote: "Think of them as a formula that describes the best way of doing something." Sources for Timing and cadence - Quantitative Method: - [ISO - Standards overview](https://www.iso.org/standards.html?ref=sorena.io) - Explains what ISO standards are and how organizations use them. - Quote: "Think of them as a formula that describes the best way of doing something." Sources for Timing and cadence - operational implication: - [ISO - Standards overview](https://www.iso.org/standards.html?ref=sorena.io) - Explains what ISO standards are and how organizations use them. - Quote: "Think of them as a formula that describes the best way of doing something." Sources for Enforcement or assurance route - Qualitative: - [ISO - Standards overview](https://www.iso.org/standards.html?ref=sorena.io) - Explains what ISO standards are and how organizations use them. - Quote: "Think of them as a formula that describes the best way of doing something." Sources for Enforcement or assurance route - Quantitative Method: - [ISO - Standards overview](https://www.iso.org/standards.html?ref=sorena.io) - Explains what ISO standards are and how organizations use them. - Quote: "Think of them as a formula that describes the best way of doing something." Sources for Enforcement or assurance route - operational implication: - [ISO - Standards overview](https://www.iso.org/standards.html?ref=sorena.io) - Explains what ISO standards are and how organizations use them. - Quote: "Think of them as a formula that describes the best way of doing something." Sources for Overlap and reuse - Qualitative: - [ISO - Standards overview](https://www.iso.org/standards.html?ref=sorena.io) - Explains what ISO standards are and how organizations use them. - Quote: "Think of them as a formula that describes the best way of doing something." Sources for Overlap and reuse - Quantitative Method: - [ISO - Standards overview](https://www.iso.org/standards.html?ref=sorena.io) - Explains what ISO standards are and how organizations use them. - Quote: "Think of them as a formula that describes the best way of doing something." Sources for Overlap and reuse - operational implication: - [ISO - Standards overview](https://www.iso.org/standards.html?ref=sorena.io) - Explains what ISO standards are and how organizations use them. - Quote: "Think of them as a formula that describes the best way of doing something." Sources for Practical decision rule - Qualitative: - [ISO - Standards overview](https://www.iso.org/standards.html?ref=sorena.io) - Explains what ISO standards are and how organizations use them. - Quote: "Think of them as a formula that describes the best way of doing something." Sources for Practical decision rule - Quantitative Method: - [ISO - Standards overview](https://www.iso.org/standards.html?ref=sorena.io) - Explains what ISO standards are and how organizations use them. - Quote: "Think of them as a formula that describes the best way of doing something." Sources for Practical decision rule - operational implication: - [ISO - Standards overview](https://www.iso.org/standards.html?ref=sorena.io) - Explains what ISO standards are and how organizations use them. - Quote: "Think of them as a formula that describes the best way of doing something." ### How should teams decide between Qualitative and Quantitative Method for compliance planning? - Start with the trigger: certification, risk review, cloud/customer assurance, incident, supplier, privacy, AI governance, law, or framework mapping. - Choose Qualitative as the default starting point for ISO/IEC 27005 work, then add Quantitative Method when reliable numeric data and valuations are available and the decision needs monetary or cost-benefit analysis. - Reuse evidence only where the same owner, scope, time period, system, supplier, data type, and acceptance criteria apply. Sources for the practical decision rule: - [ISO - Standards overview](https://www.iso.org/standards.html?ref=sorena.io) - Explains what ISO standards are and how organizations use them. - Quote: "Think of them as a formula that describes the best way of doing something." ## What decision should teams make about Qualitative vs Quantitative Method under ISO/IEC 27005 Information Security Risk Management? Start by choosing the risk assessment approach that fits the data you actually have and the decision you need to support. Record scope assumptions, required inputs, acceptance conditions, and the next action in this page-specific workflow. The first decision is whether Qualitative vs Quantitative Method changes scope, risk, control selection, evidence, certification readiness, customer commitments, or regulatory mapping. If it does, treat it as an accountable management-system decision rather than a side note. ISO/IEC 27005 is useful when it turns broad intent into repeatable work: make information security risk decisions consistent, explainable, comparable, and usable by risk owners and control owners. The page should therefore end in ownership, evidence, and review cadence, not only a definition. - Use Qualitative when the organization needs clear risk decisions, but does not yet have reliable numeric loss data or a defensible way to calculate monetary exposure. - Add Quantitative Method when reliable data, valuations, or loss-event history are available and the decision needs numeric analysis for budgeting, insurance, or cost-benefit comparison. - Review the record whenever assets, threats, suppliers, business processes, controls, or risk appetite change and at planned risk review intervals. Sources for this answer: - [ISO/IEC 27005:2022 standard page](https://www.iso.org/standard/80585.html?ref=sorena.io) - Primary ISO listing for current ISO/IEC 27005 risk-management guidance. - [ISO/IEC 27001:2022 standard page](https://www.iso.org/standard/27001?ref=sorena.io) - Primary ISO listing for the current ISO/IEC 27001 ISMS requirements standard. ## Which records should prove Qualitative vs Quantitative Method is implemented correctly? Evidence should be collected where the work actually happens. For ISO/IEC 27005, that usually means risk criteria, scenario library, asset and threat assumptions, likelihood and impact rationale, inherent and residual ratings, treatment decisions, approvals, review dates, and control links. A strong evidence set tells a visitor, auditor, customer, or decision owner what was decided, why it was reasonable, who approved it, and when it must be reviewed again. - Artifact-specific evidence: risk criteria, scenarios, likelihood and impact rationale, treatment decisions, residual-risk approvals, and review records. - Decision record: scope, assumption, risk or obligation, owner, approval, and date. - Operation record: ticket, log, review, test, contract clause, register entry, or control sample showing the process ran. - Review record: result, exception, corrective action, next owner, and next review date. Sources for this answer: - [ISO/IEC 27001:2022 standard page](https://www.iso.org/standard/27001?ref=sorena.io) - Primary ISO listing for the current ISO/IEC 27001 ISMS requirements standard. - [NIST SP 800-30 Rev. 1](https://nvlpubs.nist.gov/nistpubs/Legacy/SP/nistspecialpublication800-30r1.pdf?ref=sorena.io) - NIST risk-assessment guidance used for comparison with ISO/IEC 27005. ## How should teams turn Qualitative vs Quantitative Method into a repeatable workflow? Build the workflow around a small number of durable checkpoints: intake, classification, owner assignment, evidence request, decision, review, and escalation. This keeps the work usable across audits, customer assurance, and operational reviews. Avoid overfitting the workflow to one audit cycle. The same record should help during normal operations, change review, incident response, supplier review, or management review depending on the topic. - Intake: describe the system, service, supplier, control, incident, AI system, or process affected. - Classification: decide whether this is scope, risk, treatment, evidence, contract, incident, privacy, continuity, or AI governance work. - Escalation: route exceptions to the person or forum that can accept risk or fund remediation. Sources for this answer: - [NIST SP 800-30 Rev. 1](https://nvlpubs.nist.gov/nistpubs/Legacy/SP/nistspecialpublication800-30r1.pdf?ref=sorena.io) - NIST risk-assessment guidance used for comparison with ISO/IEC 27005. - [ISO/IEC 27005:2022 standard page](https://www.iso.org/standard/80585.html?ref=sorena.io) - Primary ISO listing for current ISO/IEC 27005 risk-management guidance. *Recommended next step* *Placement: after implementation guidance* ## Operationalize Qualitative vs Quantitative Method Define owner, evidence requirements, evidence requests, and the next review date before approval. - [Open Assessment Autopilot for ISO/IEC 27005](/solutions/assessment.md): Convert Qualitative vs Quantitative Method into accountable tasks, evidence requests, and review checkpoints. - [Talk through implementation](/contact.md): Review your current scope, evidence gaps, and next implementation steps. ## What mistakes make Qualitative vs Quantitative Method weak or hard to audit? When implementation documentation is not tied to a real owner, system, supplier, recovery target, control sample, risk decision, and operations context, it can appear complete but leaves no defensible evidence when reviewed. Another failure is mixing standards and regulations without stating which source creates the requirement. Use ISO standards to structure management-system practice, and use legal sources separately when a binding obligation applies. - Do not cite a standard title as evidence that a process is operating. - Do not reuse an old audit artifact after the scope, service, supplier, or risk has changed. - Do not hide exceptions; record them as risk acceptance, corrective action, or management-review inputs. Sources for this answer: - [ISO/IEC 27005:2022 standard page](https://www.iso.org/standard/80585.html?ref=sorena.io) - Primary ISO listing for current ISO/IEC 27005 risk-management guidance. - [ISO/IEC 27001:2022 standard page](https://www.iso.org/standard/27001?ref=sorena.io) - Primary ISO listing for the current ISO/IEC 27001 ISMS requirements standard. ## How should teams review and improve Qualitative vs Quantitative Method over time? Review should happen when assets, threats, suppliers, business processes, controls, or risk appetite change and at planned risk review intervals. If the review changes the decision, update the register, workflow, control evidence, or contract record that downstream teams rely on. Improvement is strongest when the same evidence supports multiple needs: certification audits, customer assurance, regulatory mapping, supplier governance, incident reviews, and management review. - Set a review date and a change-trigger rule. - Track findings until closure and connect them to corrective actions or risk acceptance. - Use management review to decide resourcing, risk appetite, scope changes, and evidence quality. Sources for this answer: - [ISO/IEC 27001:2022 standard page](https://www.iso.org/standard/27001?ref=sorena.io) - Primary ISO listing for the current ISO/IEC 27001 ISMS requirements standard. - [NIST SP 800-30 Rev. 1](https://nvlpubs.nist.gov/nistpubs/Legacy/SP/nistspecialpublication800-30r1.pdf?ref=sorena.io) - NIST risk-assessment guidance used for comparison with ISO/IEC 27005. ## Primary sources - [ISO/IEC 27005:2022 standard page](https://www.iso.org/standard/80585.html?ref=sorena.io) - Primary ISO listing for current ISO/IEC 27005 risk-management guidance. - Quote: "Guidance on managing information security risks" - [ISO/IEC 27001:2022 standard page](https://www.iso.org/standard/27001?ref=sorena.io) - Primary ISO listing for the current ISO/IEC 27001 ISMS requirements standard. - Quote: "Information security management systems - Requirements" - [NIST SP 800-30 Rev. 1](https://nvlpubs.nist.gov/nistpubs/Legacy/SP/nistspecialpublication800-30r1.pdf?ref=sorena.io) - NIST risk-assessment guidance used for comparison with ISO/IEC 27005. - Quote: "Guide for Conducting Risk Assessments" - [ISO - Standards overview](https://www.iso.org/standards.html?ref=sorena.io) - Explains what ISO standards are and how organizations use them. - Quote: "Think of them as a formula that describes the best way of doing something." ## Related Topic Guides - [ISO/IEC 27005 Asset And Scenario Modeling FAQ](/artifacts/global/iso-27005/faq/asset-and-scenario-modeling.md): How should teams model assets and scenarios under ISO/IEC 27005 risk assessments? Practical answer with owners, evidence, review triggers, and external source references. - [ISO/IEC 27005 Compliance Guide](/artifacts/global/iso-27005/compliance.md): ISO/IEC 27005 Compliance for ISO/IEC 27005 Information Security Risk Management: practical decisions, evidence, owners, review cadence, and source-linked implementation guidance. - [ISO/IEC 27005 Impact FAQ](/artifacts/global/iso-27005/faq/impact.md): How should teams handle Impact under ISO/IEC 27005? Practical answer with owners, evidence, review triggers, and external source references. - [ISO/IEC 27005 Inherent vs Residual Risk FAQ](/artifacts/global/iso-27005/faq/inherent-vs-residual-risk.md): How should teams distinguish inherent risk from residual risk under ISO/IEC 27005? Practical answer with owners, evidence, review triggers, and external source references. - [ISO/IEC 27005 Likelihood FAQ](/artifacts/global/iso-27005/faq/likelihood.md): How should teams handle Likelihood under ISO/IEC 27005? Practical answer with owners, evidence, review triggers, and external source references. - [ISO/IEC 27005 Residual Risk Approval Guide](/artifacts/global/iso-27005/residual-risk-approval.md): ISO/IEC 27005 Residual Risk Approval for ISO/IEC 27005 Information Security Risk Management: practical decisions, evidence, owners, review cadence, and source-linked implementation guidance. - [ISO/IEC 27005 Residual Risk Approval Workflow](/artifacts/global/iso-27005/residual-risk-approval-workflow.md): ISO/IEC 27005 Residual Risk Approval Workflow for ISO/IEC 27005 Information Security Risk Management: practical decisions, evidence, owners, review cadence, and source-linked implementation guidance. - [ISO/IEC 27005 Review Cadence FAQ](/artifacts/global/iso-27005/faq/review-cadence.md): How should teams handle Review Cadence under ISO/IEC 27005? Practical answer with owners, evidence, review triggers, and external source references. - [ISO/IEC 27005 Risk Acceptance FAQ](/artifacts/global/iso-27005/faq/risk-acceptance.md): How should teams handle Risk Acceptance under ISO/IEC 27005? Practical answer with owners, evidence, review triggers, and external source references. - [ISO/IEC 27005 Risk Assessment Template and Workflow](/artifacts/global/iso-27005/risk-assessment-template.md): ISO/IEC 27005 Risk Assessment Template for ISO/IEC 27005 Information Security Risk Management: practical decisions, evidence, owners, review cadence, and source-linked implementation guidance. - [ISO/IEC 27005 Risk Criteria Guide](/artifacts/global/iso-27005/risk-criteria.md): ISO/IEC 27005 Risk Criteria for ISO/IEC 27005 Information Security Risk Management: practical decisions, evidence, owners, review cadence, and source-linked implementation guidance. - [ISO/IEC 27005 Risk Criteria Setup Workflow](/artifacts/global/iso-27005/risk-criteria-setup-workflow.md): ISO/IEC 27005 Risk Criteria Setup Workflow for ISO/IEC 27005 Information Security Risk Management: practical decisions, evidence, owners, review cadence, and source-linked implementation guidance. - [ISO/IEC 27005 Risk Management FAQ](/artifacts/global/iso-27005/faq.md): ISO/IEC 27005 FAQ for ISO/IEC 27005 Information Security Risk Management: practical decisions, evidence, owners, review cadence, and source-linked implementation guidance. - [ISO/IEC 27005 Risk Owners FAQ](/artifacts/global/iso-27005/faq/risk-owners.md): How should teams handle Risk Owners under ISO/IEC 27005? Practical answer with owners, evidence, review triggers, and external source references. - [ISO/IEC 27005 Risk Register Workflow](/artifacts/global/iso-27005/risk-register-workflow.md): ISO/IEC 27005 Risk Register Workflow for ISO/IEC 27005 Information Security Risk Management: practical decisions, evidence, owners, review cadence, and source-linked implementation guidance. - [ISO/IEC 27005 Risk Treatment Plan Template](/artifacts/global/iso-27005/risk-treatment-plan-template.md): ISO/IEC 27005 Risk Treatment Plan Template for ISO/IEC 27005 Information Security Risk Management: practical decisions, evidence, owners, review cadence, and source-linked implementation guidance. - [ISO/IEC 27005 Scenario Library Guide](/artifacts/global/iso-27005/scenario-library.md): ISO/IEC 27005 Scenario Library for ISO/IEC 27005 Information Security Risk Management: practical decisions, evidence, owners, review cadence, and source-linked implementation guidance. - [ISO/IEC 27005 Treatment Options FAQ](/artifacts/global/iso-27005/faq/treatment-options.md): How should teams handle Treatment Options under ISO/IEC 27005? Practical answer with owners, evidence, review triggers, and external source references. - [ISO/IEC 27005 vs FAIR Comparison](/artifacts/global/iso-27005/iso-27005-vs-fair.md): ISO/IEC 27005 vs FAIR for ISO/IEC 27005 Information Security Risk Management: practical decisions, evidence, owners, review cadence, and source-linked implementation guidance. - [ISO/IEC 27005 vs ISO 31000 Comparison](/artifacts/global/iso-27005/iso-27005-vs-iso-31000.md): ISO/IEC 27005 vs ISO 31000 for ISO/IEC 27005 Information Security Risk Management: practical decisions, evidence, owners, review cadence, and source-linked implementation guidance. - [ISO/IEC 27005 vs NIST SP 800-30 Comparison](/artifacts/global/iso-27005/iso-27005-vs-nist-800-30.md): ISO/IEC 27005 vs NIST SP 800-30 for ISO/IEC 27005 Information Security Risk Management: practical decisions, evidence, owners, review cadence, and source-linked implementation guidance. --- [Privacy Policy](https://www.sorena.io/privacy) | [Terms of Use](https://www.sorena.io/terms-of-use) | [DMCA](https://www.sorena.io/dmca) | [About Us](https://www.sorena.io/about-us) (c) 2026 Sorena AB (559573-7338). 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