Question 40
A team is trying to correct the issue that follows: A telecom operator builds a control inventory but omits why certain Annex A controls were excluded. Which practice would recreate the principal weakness?
Explanation
Correct Answer
Using a policy index as a substitute for explicit Annex A applicability decisions. This is the most directly harmful practice for the specific issue where a telecom operator builds a control inventory but omits why certain Annex A controls were excluded. It could leave the organization facing unexplained control exclusions and misleading audit assertions. Instead, the implementer should document the Statement of Applicability with control decisions and justifications. A suitable check is that soA review traces applicability, rationale and implemented evidence to risk decisions.
Incorrect Answers
Assuming every risk must be reduced through a new technology control. This would be a concern in a different topic, such as when a government contractor must decide whether to eliminate, modify, share or retain a sensitive data-processing risk. It is not the defining mistaken approach for the problem described. The error to avoid in this case is using a policy index as a substitute for explicit Annex A applicability decisions. The linked exposure is unexplained control exclusions and misleading audit assertions. Case: A telecom operator builds a control inventory but omits why certain Annex A controls were excluded.
Assuming only executive leadership counts as an interested party for ISMS planning. This would be a concern in a different topic, such as when a logistics provider expands into healthcare delivery without reviewing customer confidentiality requirements. It is not the defining mistaken approach for the problem described. The error to avoid in this case is using a policy index as a substitute for explicit Annex A applicability decisions. The linked exposure is unexplained control exclusions and misleading audit assertions. Case: A telecom operator builds a control inventory but omits why certain Annex A controls were excluded.
Substituting a generic industry heat map for the organization's actual impact analysis. This would be a concern in a different topic, such as when a regional retailer calls a rare database outage catastrophic without estimating how likely it is. It is not the defining mistaken approach for the problem described. The error to avoid in this case is using a policy index as a substitute for explicit Annex A applicability decisions. The linked exposure is unexplained control exclusions and misleading audit assertions. Case: A telecom operator builds a control inventory but omits why certain Annex A controls were excluded.





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