ISC2 CC Practice Question: Business Continuity, Disaster Recovery, and Incident Response
During an incident, the security team detects unusual outbound traffic from a server that normally does not communicate externally. The traffic appears to be encrypted and is sent to an unknown IP address. Which incident category best describes this scenario?
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
✓
Data breach
Unauthorized access or data exfiltration is indicated by unusual outbound traffic to an unknown IP, suggesting a compromised server sending data externally.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Malware
Why it's wrong here
While malware could cause this, the category is more specifically data exfiltration under unauthorized access.
- ✗
Denial of service
Why it's wrong here
DoS would involve flooding, not outbound traffic from a server.
- ✗
Social engineering
Why it's wrong here
Social engineering involves manipulating people, not technical traffic patterns.
- ✓
Data breach
Why this is correct
Unusual outbound encrypted traffic to an unknown IP is a strong indicator of data exfiltration, which is a data breach incident.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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