Elastic Infosec operates as "Customer Zero," utilizing its own production environment to refine endpoint data collection strategies. By leveraging Elastic Defend's Event Filtering and Advanced Policy Settings, the team addresses the challenge of excessive data volume—which often includes noisy, benign activity from MDM agents and development tools—without creating security blind spots.
The optimization process involves identifying high-volume noise through ES|QL queries, implementing OS-specific filters for recurring benign events, and tuning advanced settings such as disabling redundant MD5/SHA-1 hash calculations and enabling event aggregation. These combined strategies resulted in a 75% reduction in event volume, translating to an estimated storage saving of 100TB per month and significantly improved signal quality for threat hunters.
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