Packet Capture (cStor®) is a commercial digital forensics solution by cPacket Networks. Zeek Analysis Tools (ZAT) is a free threat hunting solution. Features, integrations, deployment and the company behind each one, side by side.
Lossless packet capture & analysis appliance at 10–200 Gbps line rate.
ZAT is a Python package that processes and analyzes Zeek network security data using machine learning libraries like Pandas, scikit-learn, Kafka, and Spark.
See more solutions in this category, or build a security stack from your picks.
Based on what each listing shows: deployment, company size, price and open source.
Packet Capture (cStor®) fits if you need both cloud and on-premises options.
Zeek Analysis Tools (ZAT) fits if you need to run it on your own servers, you need a free product and you want an open-source product.
Common questions when comparing Packet Capture (cStor®) vs Zeek Analysis Tools (ZAT) for digital forensics.
Packet Capture (cStor®): Lossless packet capture & analysis appliance at 10–200 Gbps line rate. Built by cPacket Networks.
Zeek Analysis Tools (ZAT): ZAT is a Python package that processes and analyzes Zeek network security data using machine learning libraries like Pandas, scikit-learn, Kafka, and Spark.
The table above shows where their features, integrations, deployment and company size fit differ.
Packet Capture (cStor®) is made by cPacket Networks. Zeek Analysis Tools (ZAT) is open-source with 451 GitHub stars. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.
In part. Packet Capture (cStor®) and Zeek Analysis Tools (ZAT) are not in the same category on CybersecTools. Key differences: Packet Capture (cStor®) is Commercial while Zeek Analysis Tools (ZAT) is Free, Zeek Analysis Tools (ZAT) is open-source. Use the table above to see where features, deployment and company size fit differ.
No Digital Forensics shortlist yet. This is the closest one.
Updated 2026-11-02
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