Security & privacy
Zeek is a network-analysis framework that turns observed traffic into structured logs and events, with a scripting language for custom analysis, helping defenders investigate activity and build detections from protocol-level context across their networks.
Security analysts investigating network behavior
Not primarily an inline blocker. Log volume and analysis require planning.
Editorial assessment based on the provider’s published information. Our method
The listed Zeek software is available without a license fee under BSD license. Included capabilities cover protocol metadata logs, event scripting, packet-capture analysis. Free analysis framework; sensors, log storage, and investigation platforms are separate.
Free analysis framework; sensors, log storage, and investigation platforms are separate.
Free analysis framework; sensors, log storage, and investigation platforms are separate.
Rich context for investigations
Flexible custom analysis workflows
Not primarily an inline blocker
Log volume and analysis require planning
Zeek is a useful option for security analysts investigating network behavior. Process a small authorized packet capture and learn the generated connection and protocol logs before deploying a live sensor. Start with a small, representative task so you can check the results before extending the setup.
Define retention and downstream search needs, then add scripts only when they answer a specific investigation question. Consider the practical trade-off: not primarily an inline blocker.
The listed Zeek software is available without a license fee under BSD license. Included capabilities cover protocol metadata logs, event scripting, packet-capture analysis. Free analysis framework; sensors, log storage, and investigation platforms are separate.
No. It is primarily a passive network-analysis and event-generation framework.
Yes. Offline capture analysis is a useful way to learn and test its output.
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Yes. New reviews are submitted for moderation. We show published user reviews separately from the editorial overview and never assign a default user rating.
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