ISC2 CC Security Operations Practice Question
A SOC analyst detects a pattern of outbound traffic from an internal server to a known malicious IP address. Which SOC tier should this alert be escalated to for a deeper investigation?
⚠ Common exam trap
The trap is assuming any malicious-IP alert is automatically an incident requiring the IR team, when the correct answer is the tier that performs deeper investigation, not the team that handles confirmed incidents.
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
✓
Tier 2
Tier 2 analysts handle escalated alerts that require deeper investigation, correlation across data sources, and threat hunting beyond the initial triage performed by Tier 1. An outbound connection to a known malicious IP is a confirmed suspicious indicator that exceeds Tier 1's scope of basic validation and false-positive filtering, so it escalates to Tier 2. Tier 3 is reserved for advanced threat hunting, malware reverse engineering, and major incidents.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Tier 3
Why it's wrong here
Tier 3 handles advanced threat hunting and forensic analysis, not routine alert triage. The scenario requires deeper investigation of a known-bad indicator, which is Tier 2's remit: validating and scoping confirmed alerts. Tier 3 is tempting because it owns complex incidents, but it would be the right escalation only for novel, unknown threats requiring reverse engineering or proactive hunting.
- ✓
Tier 2
Why this is correct
Tier 2 analysts handle deeper investigation, correlating the malicious-IP indicator against threat intelligence, historical logs and endpoint telemetry. Tier 1 performs initial triage only, so escalation to Tier 2 satisfies the requirement for a deeper investigation of confirmed malicious outbound traffic.
- ✗
Tier 1
Why it's wrong here
Tier 1 performs initial triage and alert validation, so it cannot conduct the deeper investigation the scenario requires. It is tempting because Tier 1 receives raw alerts first, but confirmed malicious indicators with investigative scope belong at Tier 2.
- ✗
Incident Response Team
Why it's wrong here
Escalation to the Incident Response Team happens once an alert is confirmed as a genuine incident requiring containment and remediation, not for the deeper triage investigation itself. It is tempting because IR owns the response process, and would be correct after Tier 2 analysis confirms malicious activity needing coordinated eradication.
Visual reference
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Related to this question
Key term
Threat hunting
Threat hunting is a proactive cybersecurity practice where analysts actively search networks, endpoints, and logs for hidden threats that have evaded automated security tools.
Key term
Triage
Triage is the process of quickly assessing and prioritizing security incidents based on their severity, impact, and urgency to determine the appropriate response.
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JA
Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed September 2026 · checked against the official ISC2 exam blueprint
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