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CISA Practice Question: Is the PRIMARY benefit of using a hardware…
Which of the following is the PRIMARY benefit of using a hardware security module (HSM) for key management?
⚠ Common exam trap
Many exam-takers confuse the security-focused purpose of an HSM with operational benefits like cost reduction or performance improvement, leading them to select options that describe side effects or unrelated advantages rather than the primary benefit.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
It provides tamper-resistant storage for encryption keys.
The primary benefit of a hardware security module (HSM) is that it provides tamper-resistant, physically secured storage for encryption keys. HSMs are designed to protect keys from extraction or modification, even if an attacker gains physical access to the device, which is critical for maintaining the confidentiality and integrity of cryptographic operations. This aligns with the core purpose of an HSM: to safeguard the root of trust in a key management infrastructure.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
It reduces the cost of key management.
Why it's wrong here
HSMs can be expensive to purchase and maintain.
- ✗
It improves encryption speed.
Why it's wrong here
Performance is not the primary benefit; security is.
- ✓
It provides tamper-resistant storage for encryption keys.
Why this is correct
HSM provides secure key storage that is resistant to tampering.
- ✗
It simplifies key distribution.
Why it's wrong here
Key distribution remains complex.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This CISA practice question is part of Courseiva's free ISACA certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the CISA exam.