ExtraHop Packet Forensics vs Packet Capture (cStor®): Side-by-Side Comparison (2026)

ExtraHop Packet Forensics: Continuous full packet capture and forensics for network investigations. built by ExtraHop. Core capabilities include Continuous full packet capture across on-premises and cloud environments, Built-in packet viewer with file carving capabilities, Indexed and searchable detections, transaction records, and packets..

Packet Capture (cStor®): Lossless packet capture & analysis appliance at 10–200 Gbps line rate. built by cPacket Networks. Core capabilities include Lossless packet capture at 10–200 Gbps line rate, Persistent storage scaling from 288 TB to over 2 petabytes, Simultaneous read/write access to captured packets..

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

ExtraHop Packet Forensics differentiates with Continuous full packet capture across on-premises and cloud environments, Built-in packet viewer with file carving capabilities, Indexed and searchable detections, transaction records, and packets. Packet Capture (cStor®) differentiates with Lossless packet capture at 10–200 Gbps line rate, Persistent storage scaling from 288 TB to over 2 petabytes, Simultaneous read/write access to captured packets.

ExtraHop Packet Forensics is developed by ExtraHop. Packet Capture (cStor®) is developed by cPacket Networks. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

ExtraHop Packet Forensics and Packet Capture (cStor®) serve similar Network Detection and Response use cases: both are Network Detection and Response tools, both cover Packet Capture, PCAP, Network Forensic Analysis. Review the feature comparison above to determine which fits your requirements.