The Zeek Network Security Monitor

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Zeek is an open source network security monitor.

zeek.org | github.com/zeek | community.zeek.org

Blocked scanners filling your conn.log? Our new blog post shares a simple hook that reduced a community member's daily logs by 85%. https://zeek.org/2026/03/reduce-conn-log-from-35gb-to-5gb-with-a-simple-hook/

RE: https://infosec.exchange/@zeek/116283127974786951

Join tomorrow's Community Call for updates and project news:

Thank you to everyone who joined us last week for our workshop at CERN - what a fun couple of days connecting with the community  

We're working on a Zeek workshop for the fall. Stay tuned...

RE: https://infosec.exchange/@zeek/116257601750396280

Practice is better than perfection - our recent blog post shares why:

We're here at CERN for two days of Zeek talks and trainings! What topics would you be most interested in learning about?

Tune in next week for project updates and more from the Zeek LT:

https://zeek.org/events/

Not sure if Zeek training is right for you? This post can help: https://zeek.org/2025/11/inside-zeek-training-at-nsf-cybersecurity-summit/

If you're ready to join us at the next summit, register here: https://www.trustedci.org/2026-regional-summit

Zeek: Inside Zeek Training at NSF Cybersecurity Summit

On October 20, 2025, the Zeek team hosted a full-day training at the NCAR facility in Boulder as part of the NSF Cybersecurity Summit. With 52 registrations and about 50 people showing up, the room…

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From a recent Slack thread: how one community member started writing Zeek scripts by just messing around, not trying to build something perfect.

https://zeek.org/2026/03/your-first-zeek-script-doesnt-need-to-be-perfect/

Package delivery in the latest Zeek newsletter  

In case you missed it: https://community.zeek.org/t/zeek-newsletter-issue-60-february-2026/7953#p-29663-zeek-packages-6

Zeek Newsletter - Issue 60 - February 2026

Welcome to the Zeek Newsletter. In this Issue: Community News Zeek Techniques Community Call Recap Development Updates Packages Get Involved TL;DR: Zeek 8.2 development is underway with strong ZeroMQ performance improvements. CERN workshop registration is full but waitlist spots are available, and the Leadership Team is drafting an AI contribution policy. Community News & Reminders Zeek Workshop at CERN (Mar. 25-26): Registration for our upcoming workshop is currently full. Sign up for...

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