The answer is to configure the HSM to require two administrators to be physically present for key exports. This is correct because dual control and split knowledge must be enforced at the technical level, not merely through procedural policy; when the HSM itself mandates two-factor physical presence for critical operations like key export, it eliminates the risk of a single administrator bypassing controls, as seen in the audit log where one administrator exported a key with only after-the-fact email approval. On the CISA exam, this scenario tests your understanding that compensating technical controls are superior to administrative controls when enforcing segregation of duties for cryptographic systems—a common trap is choosing a procedural fix like “retrain staff” or “update policy,” which fails to address the root cause of technical vulnerability. Remember the mnemonic: “Policy without enforcement is just a suggestion; for HSMs, dual control must be a technical requirement, not a procedural request.”
CISA Protection of Information Assets Practice Question
This CISA practice question tests your understanding of protection of information assets. Examine the command output carefully: the correct answer depends on what the output actually shows, not on general recall alone. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
You are an IS auditor for a financial institution that processes credit card payments. The organization uses a key management system (KMS) to store encryption keys for point-of-sale (POS) data. The KMS is a hardware security module (HSM) located in a secured data center. The audit reveals that the HSM is administered by two individuals who both have full access to the HSM, including the ability to export keys. The organization has a policy requiring split knowledge and dual control for key management, but in practice, the two administrators often perform key ceremonies alone due to scheduling conflicts. The logs show that one administrator exported a key last month without the other present, and the export was approved via email by the other administrator after the fact. Which of the following is the BEST corrective action?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "best"
Why it matters: Signals that multiple options may be partially correct. Choose the option that most directly solves the exact problem described, not the one that sounds most complete.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Configure the HSM to require two administrators to be physically present for key exports
The HSM must enforce split knowledge and dual control at the technical level, not rely on procedural compliance. By configuring the HSM to require two administrators to be physically present for key exports, the organization ensures that no single individual can export keys, directly addressing the policy violation and the log evidence of a solo export. This technical control is the most effective corrective action because it prevents the bypass of dual control even if administrators attempt to circumvent procedures.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✗
Reduce the number of administrators to one to simplify accountability
Why it's wrong here
Single administrator violates segregation of duties.
✓
Configure the HSM to require two administrators to be physically present for key exports
Why this is correct
Technical enforcement ensures dual control.
Clue confirmation
The clue word "best" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
✗
Provide training to administrators on the importance of dual control
Why it's wrong here
Training may not be sufficient without enforcement.
✗
Implement automated key rotation every 90 days
Why it's wrong here
Rotation does not enforce dual control.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates may choose training (Option C) as a quick fix, overlooking that the root cause is a lack of technical enforcement, not a lack of awareness.
Detailed technical explanation
How to think about this question
HSMs like those from Thales or Utimaco support multi-person authentication (e.g., M of N quorum) where key export operations require a minimum number of authorized administrators to present their smart cards or PINs simultaneously. In practice, the HSM's access control lists (ACLs) and operation policies can be configured to enforce that key export commands (e.g., using PKCS#11 C_Unwrap or vendor-specific APIs) fail unless the required number of administrators authenticate within a short time window. This ensures that even if an administrator attempts to export a key alone, the HSM hardware will reject the operation.
KKey Concepts to Remember
Read the scenario before looking for a memorised answer.
Find the constraint that changes the correct option.
Eliminate answers that are true in general but not in this case.
TExam Day Tips
→Watch for words such as best, first, most likely and least administrative effort.
→Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A practitioner preparing for the CISA exam encounters this exact type of scenario on the job. The correct answer here is not the most general option — it is the best answer for the specific constraint described. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Real exam questions reward reading the full scenario before eliminating options, because the constraint defines which answer fits.
What to study next
Got this wrong? Here's your next step.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Protection of Information Assets — This question tests Protection of Information Assets — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Configure the HSM to require two administrators to be physically present for key exports — The HSM must enforce split knowledge and dual control at the technical level, not rely on procedural compliance. By configuring the HSM to require two administrators to be physically present for key exports, the organization ensures that no single individual can export keys, directly addressing the policy violation and the log evidence of a solo export. This technical control is the most effective corrective action because it prevents the bypass of dual control even if administrators attempt to circumvent procedures.
What should I do if I get this CISA question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Are there clue words in this question I should notice?
Yes — watch for: "best". Signals that multiple options may be partially correct. Choose the option that most directly solves the exact problem described, not the one that sounds most complete.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Question Discussion
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