CAS-004 Security Operations Practice Question
An organization wants to share threat intelligence with industry peers using a standardized format. Which of the following formats is specifically designed for representing structured threat information in a machine-readable way?
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
✓
STIX
STIX (Structured Threat Information Expression) is a standardized language for representing threat intelligence.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
CyboX
Why it's wrong here
CyboX is for cyber observables, but STIX is the primary standard for threat intelligence.
- ✗
TAXII
Why it's wrong here
TAXII is a protocol for sharing STIX data, not the format itself.
- ✓
STIX
Why this is correct
STIX is the standardized format for structured threat information.
- ✗
OpenIOC
Why it's wrong here
OpenIOC is a format for indicators of compromise, but STIX is more comprehensive and standardized.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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