ISO-IEC-27001-LEAD-IMPLEMENTER practice question 29 of 35
Scenario 5: Bytes iS a dynamic and innovative Company specializing in the design, manufacturing. and distribution Of hardware and software, with a…
Full set: 290 questionsDomain Implementing an ISMS based on ISO/IEC 27001
According to the ISO/IEC 27001 framework and its supporting guidance in ISO/IEC 27005, risk management is an iterative process. When a selected risk treatment plan results in residual risks that are still above the organization's defined risk acceptance criteria (i.e., unacceptable), the process must be revisited. The organization should not immediately resort to drastic measures but should instead re-evaluate the situation. This involves selecting different or additional risk treatment options—such as applying more controls (risk modification), transferring the risk (risk sharing), or deciding to stop the activity causing the risk (risk avoidance)—until the residual risk is reduced to an acceptable level. This systematic re-evaluation is the correct and standard-compliant next step.
A. Terminating projects is a form of risk avoidance. While a valid option, it is an extreme measure that should only be considered after evaluating other, less disruptive alternatives.
C. Suspending all operations is an impractical and disproportionate response. The goal of risk management is to reduce risk to an acceptable level, not necessarily to eliminate it entirely.
1. ISO/IEC 27005:2022, Information security, cybersecurity and privacy protection — Guidance on managing information security risks.
Section 8.4.3, "Selecting information security risk treatment options," states: "The process of information security risk treatment is iterative and can include reassessment of risk at various stages of the treatment process... If a treatment option is not effective, other treatment options should be selected." This directly supports the need to identify alternative options when residual risk is unacceptable.
2. ISO/IEC 27001:2022, Information security, cybersecurity and privacy protection — Information security management systems — Requirements.
Clause 6.1.3, "Information security risk treatment," outlines a systematic process. The implicit Plan-Do-Check-Act (PDCA) cycle of the standard requires that if the outcome of the risk treatment plan (the "Do") is found to be inadequate upon review (the "Check"), the organization must take action ("Act") to revise the plan, which involves reconsidering treatment options.
3. PECB. (2022). ISO/IEC 27001 Lead Implementer Training Course Material.
Day 3: Planning the ISMS implementation based on ISO/IEC 27001. The courseware explains that if the residual risk after applying controls is higher than the risk acceptance criteria, the risk treatment process must be repeated. The implementer must select another treatment option or apply additional controls to further reduce the risk level.
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