CAS-004 Security Operations Practice Question
During a threat hunting exercise, a security analyst hypothesizes that an adversary is using PowerShell to execute malicious scripts. Which approach is the analyst employing?
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 specific assumption about adversary behavior, unlike IoC-driven (based on known indicators) or TTP-driven (focused on tactics, techniques, 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.
- ✗
TTP-driven hunting
Why it's wrong here
TTP-driven hunting focuses on adversary methods, but this scenario starts with a specific hypothesis.
- ✗
Machine learning-driven hunting
Why it's wrong here
Machine learning is a tool, not a hunting methodology per se.
- ✗
IoC-driven hunting
Why it's wrong here
IoC-driven hunting uses known indicators of compromise, not a hypothesis.
- ✓
Hypothesis-driven hunting
Why this is correct
The analyst starts with an assumption about adversary behavior, which is hypothesis-driven.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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