Snort vs. Zeek Comparison


Snort Cisco	Zeek The Zeek Project	+	+
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About Snort is the foremost Open Source Intrusion Prevention System (IPS) in the world. Snort IPS uses a series of rules that help define malicious network activity and uses those rules to find packets that match against them and generates alerts for users. Snort can be deployed inline to stop these packets, as well. Snort has three primary uses: As a packet sniffer like tcpdump, as a packet logger — which is useful for network traffic debugging, or it can be used as a full-blown network intrusion prevention system. Snort can be downloaded and configured for personal and business use alike. Once downloaded and configured, Snort rules are distributed in two sets: The “Community Ruleset” and the “Snort Subscriber Ruleset.” The Snort Subscriber Ruleset is developed, tested, and approved by Cisco Talos. Subscribers to the Snort Subscriber Ruleset will receive the ruleset in real-time as they are released to Cisco customers.	About Zeek (formerly Bro) is the world’s leading platform for network security monitoring. Flexible, open source, and powered by defenders. Zeek has a long history in the open source and digital security worlds. Vern Paxson began developing the project in the 1990s under the name “Bro” as a means to understand what was happening on his university and national laboratory networks. Vern and the project’s leadership team renamed Bro to Zeek in late 2018 to celebrate its expansion and continued development. Zeek is not an active security device, like a firewall or intrusion prevention system. Rather, Zeek sits on a “sensor,” a hardware, software, virtual, or cloud platform that quietly and unobtrusively observes network traffic. Zeek interprets what it sees and creates compact, high-fidelity transaction logs, file content, and fully customized output, suitable for manual review on disk or in a more analyst-friendly tool like a security and information event management (SIEM) system.
Platforms Supported Windows Not Supported Mac Not Supported Linux Not Supported Cloud Supported On-Premises Not Supported iPhone Not Supported iPad Not Supported Android Not Supported Chromebook Not Supported	Platforms Supported Windows Not Supported Mac Not Supported Linux Supported Cloud Not Supported On-Premises Not Supported iPhone Not Supported iPad Not Supported Android Not Supported Chromebook Not Supported
Audience IT teams searching for a network detection and prevention solution	Audience Organizations interested in an open source network security monitoring tool
Support Phone Support Not Supported 24/7 Live Support Not Supported Online Supported	Support Phone Support Not Supported 24/7 Live Support Not Supported Online Not Supported
API Offers API Not Supported	API Offers API Not Supported
Screenshots and Videos View more images or videos	Screenshots and Videos View more images or videos
Pricing No information available. Free Version Not Supported Free Trial Not Supported	Pricing Free Free Version Supported Free Trial Not Supported
Reviews/Ratings Overall 5.0 / 5 ease 3.0 / 5 features 5.0 / 5 design 5.0 / 5 support 5.0 / 5 Read all reviews	Reviews/Ratings Overall 0.0 / 5 ease 0.0 / 5 features 0.0 / 5 design 0.0 / 5 support 0.0 / 5 This software hasn't been reviewed yet. Be the first to provide a review: Review this Software
Pros & Cons from Real Users Pros Free for any platform not just the web. Has multiple different filter lists to learn about and choose from based off of your needs. Cons A little bit of a pain to set up on windows if you don't know how to use command prompt.
Training Documentation Supported Webinars Not Supported Live Online Not Supported In Person Not Supported	Training Documentation Supported Webinars Not Supported Live Online Not Supported In Person Not Supported
Company Information Cisco Founded: 1984 United States www.snort.org	Company Information The Zeek Project Founded: 1994 United States zeek.org
Alternatives OSSEC	Alternatives Suricata
Security Onion	Corelight
Suricata	CloudShark QA Cafe
Snort Snort Social	Security Onion
Trend Micro Digital Vaccine Trend Micro View All	AtlasCyber CrunchAtlas View All
Categories DevSecOps Supported Intrusion Detection and Prevention Supported Packet Analyzers Supported Packet Capture Supported	Categories Network Monitoring Supported Network Security Supported

Integrations Elastic Observability Supported NXLog Supported Cybraics Not Supported Dropzone AI Not Supported EndaceProbe Supported IronNet Collective Defense Platform Not Supported Joe Sandbox Supported LimaCharlie Not Supported Malcolm Not Supported Observe Not Supported Onum Not Supported Palo Alto ATP Supported Panaseer Supported Picus Supported Project Ares Supported Security Onion Not Supported ThreatQ Supported Wraith Not Supported cPacket Not Supported Show More Integrations View All 10 Integrations	Integrations Elastic Observability Supported NXLog Supported Cybraics Supported Dropzone AI Supported EndaceProbe Not Supported IronNet Collective Defense Platform Supported Joe Sandbox Not Supported LimaCharlie Supported Malcolm Supported Observe Supported Onum Supported Palo Alto ATP Not Supported Panaseer Not Supported Picus Not Supported Project Ares Not Supported Security Onion Supported ThreatQ Not Supported Wraith Supported cPacket Supported Show More Integrations View All 13 Integrations
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