CAS-004 Security Operations Practice Question
A security analyst is conducting a threat hunt based on the hypothesis that an adversary may have used PowerShell to execute malicious scripts. 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. The analyst is hypothesizing that PowerShell was abused.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
IoC-driven hunting
Why it's wrong here
IoC-driven hunting uses known indicators like hashes or IPs, not a hypothesis.
- ✗
TTP-driven hunting
Why it's wrong here
TTP-driven hunting focuses on known adversary techniques, but the scenario starts with a hypothesis.
- ✗
Baseline-driven hunting
Why it's wrong here
Baseline-driven hunting compares current activity to a normal baseline, not a hypothesis.
- ✓
Hypothesis-driven hunting
Why this is correct
The hunt begins with a hypothesis about specific adversary behavior.
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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.