What Is Network Metadata, and Why Do I Need It? by Stephen Malone

This blog argues that whole network metadata offers broader, more scalable visibility than firewalls, pcaps, and EDR—especially for unmanaged devices and internal/lateral traffic—enabling faster, more effective threat detection and response. It presents Vectra AI’s Zeek-formatted, AI/ML-enriched metadata and supporting platforms (Stream and Recall) to integrate with SIEM/data lakes, accelerate investigations and hunting, and support compliance and operational resilience.