DataStructures / Cyber Security Interview Questions
How can you optimize a SIEM system to reduce alert fatigue?
Alert fatigue happens when analysts are flooded with so many low-value alerts that genuine threats get missed or ignored amid the noise.
- Tune correlation rules to reduce false positives instead of relying on default, overly broad detection logic
- Apply risk-based alert scoring so high-severity events surface above routine noise
- Group related events into a single incident instead of generating separate alerts for each log line
- Use suppression and allowlisting for known, expected activity, like scheduled backup jobs
- Automate triage for common low-risk alerts through a SOAR (Security Orchestration, Automation, and Response) platform
The goal isn't fewer alerts for its own sake, it's making sure the alerts that do fire are ones an analyst can trust and act on quickly.
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