CAS-004 Security Architecture Practice Question
An organization uses a hardware security module (HSM) to protect cryptographic keys. Which aspect of key management does an HSM primarily address?
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
✓
Secure key storage and cryptographic operations
HSMs provide tamper-resistant hardware for secure key generation, storage, and operations, ensuring that private keys are never exposed in plaintext outside the device.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Key rotation
Why it's wrong here
HSMs can support rotation but it's not their primary purpose.
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Key escrow
Why it's wrong here
Key escrow is about backup and recovery, not necessarily HSM's primary function.
- ✓
Secure key storage and cryptographic operations
Why this is correct
HSMs are designed to protect keys and perform crypto operations in a secure environment.
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Digital certificate issuance
Why it's wrong here
Certificate issuance is typically done by a CA, though HSMs can protect CA keys.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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