CAS-004 Security Operations Practice Question
During a threat hunting exercise, a security analyst hypothesizes that adversaries may be using PowerShell to execute commands in memory. Which threat hunting methodology is being employed?
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
✓
Hypothesis-driven hunting
Hypothesis-driven hunting starts with a hypothesis about potential adversary behavior, then searches for evidence. IoC-driven uses indicators of compromise, and TTP-driven focuses on tactics, techniques, and procedures.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Signature-based hunting
Why it's wrong here
Signature-based hunting uses static signatures, not a hypothesis.
- ✗
TTP-driven hunting
Why it's wrong here
TTP-driven hunting focuses on known adversary behaviors, not a specific hypothesis.
- ✓
Hypothesis-driven hunting
Why this is correct
The analyst is starting with a hypothesis about PowerShell usage, which is hypothesis-driven.
- ✗
IoC-driven hunting
Why it's wrong here
IoC-driven hunting relies on known indicators, not a hypothesis.
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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.