CAS-004 Governance, Risk, and Compliance Practice Question
A healthcare organization must comply with HIPAA. Which of the following is a key requirement for protecting electronic protected health information (ePHI)?
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
✓
Encryption of ePHI at rest and in transit
HIPAA requires encryption of ePHI both at rest and in transit as an addressable implementation specification to ensure confidentiality.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Data masking for all patient data
Why it's wrong here
Data masking is not specifically mandated by HIPAA; encryption is the primary control.
- ✓
Encryption of ePHI at rest and in transit
Why this is correct
HIPAA Security Rule includes encryption as an addressable specification for ePHI.
- ✗
Annual penetration testing
Why it's wrong here
Penetration testing is not specifically mandated by HIPAA.
- ✗
Public key infrastructure for all users
Why it's wrong here
PKI is not explicitly required; alternative controls may be acceptable.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This CAS-005 practice question is part of Courseiva's free CompTIA 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 CAS-005 exam.