How to answer this Technical interview question about Data Validation for Mid-Level Threat Intelligence Analyst?

How do you handle false positives in threat intelligence data, and what processes do you use to minimize them?

Threat Intelligence Analyst

Technical

Asked at

Palo Alto Networks

Difficulty :

Medium

Explanation

This question evaluates your ability to manage the accuracy of threat intelligence data and reduce the impact of false positives on operations. Recruiters are looking for your approach to validating data, collaborating with teams, and using automation or tools to improve efficiency. A strong answer will include specific methodologies for reducing false positives and examples of their application. Avoid failing to mention validation techniques or the importance of communication.

Answer Example

To handle false positives, I prioritize validating threat intelligence data using correlation with multiple sources, such as SIEM logs, threat feeds, and OSINT. I also implement machine learning tools like Splunk to identify patterns and reduce noise. For example, while monitoring a DDoS alert, I cross-referenced network traffic and determined it was a misconfigured system, not an attack. This prevented unnecessary escalation. Regular tuning of detection rules and collaboration with the SOC team further minimizes false positives, ensuring accurate and actionable intelligence.

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