Array NTB Series vs Corelight Zeek: Side-by-Side Comparison (2026)

Array NTB Series: Network traffic broker for visibility, monitoring, and traffic optimization. built by Array Networks. Core capabilities include Application-aware traffic aggregation with full stack packet analysis, L2-L7 traffic filtering and packet delivery, Tunnel handling and packet re-engineering capabilities..

Corelight Zeek: Open source network security monitoring tool for traffic analysis. built by Corelight. Core capabilities include Real-time network traffic analysis, High-fidelity transaction log generation, File content capture..

Both serve the Network Detection and Response market but differ in approach, feature depth, and target audience.

Array NTB Series differentiates with Application-aware traffic aggregation with full stack packet analysis, L2-L7 traffic filtering and packet delivery, Tunnel handling and packet re-engineering capabilities. Corelight Zeek differentiates with Real-time network traffic analysis, High-fidelity transaction log generation, File content capture.

Array NTB Series is developed by Array Networks. Corelight Zeek is developed by Corelight. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

Array NTB Series and Corelight Zeek serve similar Network Detection and Response use cases: both are Network Detection and Response tools, both cover Network Monitoring. Key differences: Array NTB Series is Commercial while Corelight Zeek is Free. Review the feature comparison above to determine which fits your requirements.