Real questions asked in SOC Analyst interviews, with answers that show the kind of reasoning interviewers are actually looking for — not just textbook definitions.
Walk me through how you'd triage a new alert.
Start by understanding what triggered it — the rule or signature involved. Check the source and destination, look for context (is this a known-noisy alert, a first-time occurrence, tied to a critical asset?), then decide: close as false positive, escalate for investigation, or take immediate containment action if severity is clear.
What's the difference between a false positive and a false negative?
A false positive is an alert that fires but turns out not to be a real threat — wasted attention but not dangerous. A false negative is worse: a real threat that didn't trigger any alert at all, meaning it went undetected.
How would you investigate a suspicious login from an unusual location?
Check if the account has MFA enabled and whether it was satisfied, review the login's IP reputation and geolocation plausibility (is this a VPN, known corporate location, or genuinely anomalous?), check for other suspicious activity from the same session, and cross-reference against the user's typical behavior pattern.
What is the MITRE ATT&CK framework and why does it matter?
It's a knowledge base of real-world adversary tactics and techniques, organized by attack stage. It matters because it gives defenders a common language to map detections and gaps against actual attacker behavior, rather than working from theory alone.
Describe a time-sensitive incident and how you'd prioritize your response.
I'd assess scope and impact first — is this contained to one system or spreading? Is it affecting critical business functions? Then follow escalation procedures: contain what I can immediately without destroying evidence, notify the right people, and document actions as I go rather than after the fact.
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