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

Consider bookmarking this one if you're working on custom protocol parsers in Spicy. Evan's tutorial covers the full workflow:

https://youtu.be/oLtpgLlD67M?si=cilXr-Mx8KQA6oaZ

#Zeek #Spicy #NetworkSecurity #OpenSource

Building a Custom Detection with Zeek and Spicy

YouTube

RE: https://infosec.exchange/@zeek/116534356390322075

Debugging zeek scripts? Check out the Zeek Techniques part of our newsletter for a quick tip:

https://community.zeek.org/t/zeek-newsletter-issue-62-april-2026/7981#p-29738-zeek-techniques-5

Zeek was built at LBNL, which is why we chose Berkeley as our next stop for a workshop.

The CFP is open - come share what you're doing with Zeek: https://zeek.org/zeek-workshop-berkeley-2026/

cc: @berkeleylab

Zeek 8.2 is out (the final stop before Zeek 9!).

Highlights: &publish_on_change for cluster state propagation, ZeroMQ CURVE encryption, Spicy 1.16, and a fully redesigned docs site.

The team was busy  

https://zeek.org/2026/05/introducing-zeek-8-2/

#Zeek #NetworkSecurity #OpenSource

RE: https://infosec.exchange/@zeek/116529764294343248

Is Zeek up? What's the worker load? How's packet loss? Our recent blog covers how to keep Zeek running.

RE: https://infosec.exchange/@zeek/116534356390322075

ICYMI, we've been working on some new community content...

Check out the newsletter for a DNS NOTIFY investigation, dual-format logging, custom Spicy detections, and more!

RE: https://infosec.exchange/@zeek/116534356390322075

Don't miss what's coming in Zeek 8.2, our latest release, expected later today:

Zeek Workshop Berkeley 2026 CFP is open  

If you know someone who works with Zeek, send them our way - https://zeek.org/zeek-workshop-berkeley-2026/call-for-presentations-berkeley/

#Zeek #NetworkSecurity #OpenSource

Zeek: Call for Presentations

Visit the post for more.

Zeek

RE: https://infosec.exchange/@zeek/116490179782260872

Check out Johanna's blog on writing Zeek logs in multiple formats at once, inspired by a recent question from the community:

A new issue of our newsletter just dropped. Catch up on the last month of Zeek in under 5 minutes:

https://community.zeek.org/t/zeek-newsletter-issue-62-april-2026/7981

Zeek Newsletter - Issue 62 - April 2026

Welcome to the Zeek Newsletter In this Issue: Community News Development Updates Zeek Techniques Packages Get Involved TL;DR: Zeek 8.2 and 8.0.8 are releasing next week with documentation redesign and bug fixes. Berkeley workshop (Sept 10-11) CFP is open, and new blogs + videos from Fatema, Johanna, and Evan are live. Community News & Reminders Berkeley Workshop: Last week we announced the next Zeek workshop, which will take place September 10-11 at the David Brower Center in Berkeley, ...

Zeek