16 questions · Security Operations And Management · All types, answers revealed
Which THREE techniques are commonly used by SOC teams to improve alert quality and reduce fatigue?
Reduces volume of individual tickets.
Why this answer
Tuning, aggregation, and suppression are the core methods for refining alert volume and signal-to-noise ratios.
Which THREE components are essential to include in a SOC Incident Response plan?
Essential to prevent task duplication.
Why this answer
An effective IR plan must include communication protocols, clear roles, and defined procedures for handling incidents.
Which TWO factors are most critical when calculating the ROI of a SOC?
This defines the value of the SOC.
Why this answer
ROI in a SOC is calculated by comparing the reduction in risk (potential cost of breach) and the operational costs (tools/personnel).
Which activity is a primary responsibility of a Threat Intelligence analyst within the SOC?
This operationalizes the intelligence.
Why this answer
Integrating external threat feeds to update correlation rules is a core function of threat intelligence within operations.
Your organization is evaluating its SOC maturity using the CMMI-based model. If the SOC has documented standard processes but lacks consistent automation, which maturity level has been achieved?
Level 3 requires standardized processes.
Why this answer
Level 3 (Defined) indicates processes are established and documented, but not yet optimized.
You are auditing your SOC workflow and find that incident escalations are delayed. Which metric should you analyze to identify the bottleneck between alert detection and analyst assignment?
MTTA tracks the latency in alert pickup.
Why this answer
Mean Time to Acknowledge (MTTA) specifically measures the time from alert generation to human intervention.
A SOC is implementing a 'Follow-the-Sun' model. What is the most critical requirement for this transition to be successful?
Handover is essential for continuity.
Why this answer
Standardization of playbooks and handoff procedures ensures continuity across different time zones.
Which SOC service model involves an organization outsourcing its security monitoring to a third-party provider while retaining internal control?
MSSP is the standard outsourcing model.
Why this answer
Managed Security Service Provider (MSSP) models allow outsourcing while maintaining operational oversight.
A SOC manager is defining the tiered structure of the SOC. Which tier is primarily responsible for initial triage and basic incident filtering?
Tier 1 is the front line for alert triage.
Why this answer
Tier 1 analysts perform the initial monitoring, triage, and basic categorization of alerts.
Which TWO actions should an analyst take when reviewing an alert that has been flagged as a 'False Positive' in the SIEM?
Ensures auditability.
Why this answer
Proper handling of false positives involves documenting the finding and updating the rule to prevent re-occurrence.
What is the primary goal of the 'Eradication' phase in the Incident Response lifecycle?
Eradication removes the threat completely.
Why this answer
Eradication is intended to remove the root cause and all remnants of the threat from the environment.
You are configuring a SIEM alert threshold to reduce noise. Which metric should you adjust to ensure that only events occurring 5 times within a 60-second window trigger a high-severity alert?
This allows setting frequency and time constraints.
Why this answer
A threshold configuration with a count and a time window is the standard approach for rate-limiting alerts.
You are configuring a SIEM to integrate with an EDR tool. Which data field is most important for cross-platform correlation when tracking a single user's activity across the network?
UPN is a unique identity anchor.
Why this answer
The UPN (User Principal Name) or SID provides the unique identifier needed for correlating activity across multiple disparate systems.
Which TWO metrics are essential for measuring the efficiency of an incident response team?
Direct measure of response speed.
Why this answer
MTTR and total number of incidents handled are standard metrics for operational efficiency.
Which role is responsible for the ongoing tuning of correlation rules and maintaining the SIEM health in a mature SOC?
This role focuses on SIEM rules and tuning.
Why this answer
The SOC Engineer manages the underlying SIEM infrastructure and rule efficacy.
During incident lifecycle management, your team needs to transition from 'Detection' to 'Containment'. What is the most critical action to perform first within your SOAR platform's playbook?
Isolation is the primary containment step.
Why this answer
Isolating the affected asset prevents lateral movement before moving to eradication.
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