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Posts by The Zeek Network Security Monitor

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Check out Seth's guide to JA4 fingerprints in Zeek if you haven't seen it yet:

zeek.org/2026/01/how-...

16 hours ago 0 0 0 0
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The first release candidate for Zeek 8.2 will go out on Monday. Catch up on what's coming and let us know if you have any feedback: zeek.org/2026/04/zeek...

3 days ago 1 0 0 0

Did you know Zeek has a built-in debugger?

4 days ago 0 0 0 0

We collected some great stories from the community last month - first scripts, conn.log optimization, alert pipeline testing. Check them all out in the newsletter:

5 days ago 0 0 0 0

Stuck on why a Zeek script isn't working? Try the built-in debugger. Check it out in the March newsletter:

6 days ago 0 0 0 0

Free Zeek training at Trusted CI's Regional Summit, April 21-22. Registration is open now.
community.zeek.org/t/zeek-newsl...

1 week ago 0 0 0 0
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New post: Zeek features community members discover by accident - the built-in debugger, btest, replaying logs without PCAPs. Take notes!

zeek.org/2026/04/the-...

1 week ago 0 0 0 1

One of our favorite share-outs from the community recently - reducing conn.log from 35GB to 5GB:

1 week ago 0 0 0 0

Dev Update: Zeek 8.2 is targeted for early May with ZeroMQ encryption for multi-node clusters, new IGMP analyzer, and Windows improvements 😲

You can catch up on the details in our newsletter:

2 weeks ago 0 0 0 1
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Zeek Newsletter - Issue 61 - March 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 is targeting early May release with Zero...

What did we get up to last month? Catch up in our latest newsletter - out now: community.zeek.org/t/zeek-newsl...

2 weeks ago 0 0 0 3
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New on the blog: A simple community trick that'll clean up gigabytes of conn.log noise. zeek.org/2026/03/redu...

2 weeks ago 1 0 0 1

Reminder: the Zeek Monthly Community Call kicks off tomorrow at 10am Pacific. See you there!

2 weeks ago 0 0 0 0
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Zeek Workshop Europe 2026 is a wrap! Thanks to those from the community who attended, we always enjoy the opportunity to connect face-to-face.

Our fall workshop is in the works - stay tuned for details 🀭

3 weeks ago 0 0 0 0

Just getting started with scripts? This blog post will give you a few ideas:

3 weeks ago 0 0 0 0
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T-1 hour until Zeek Workshop CERN kicks off 🀭

3 weeks ago 0 0 0 0
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Our monthly Community Call is happening next week (April 1, 10am Pacific Time). Grab the Zoom link here to join live! zeek.org/events/

4 weeks ago 0 0 0 1
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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…

Not sure if Zeek training is right for you? This post can help: zeek.org/2025/11/insi...

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

1 month ago 0 0 0 0
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A community member shared how he got started writing Zeek scripts - no grand ambitions, no big detections, just fun tinkering.

We turned the discussion into a blog post, let us know what you think:
zeek.org/2026/03/your...

1 month ago 0 0 0 1
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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 Zero...

We had a couple of new/updated packages to highlight in the Zeek newsletter recently - be sure to check them out: community.zeek.org/t/zeek-newsl...

1 month ago 0 0 0 0
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Only a handful of days left until Zeek Workshop at CERN!

@cern.bsky.social

1 month ago 0 0 0 0

In a recent lightning talk, community member Michael Dopheide shares a simple Zeek script his team uses to catch misconfigurations:

1 month ago 1 0 0 0
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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 Zero...

This month's Zeek technique: pcap-minimizer - useful for debugging scripts and analyzers.

πŸ‘‰ community.zeek.org/t/zeek-newsl...

1 month ago 0 0 0 0

Who is heading to Trusted CI's Regional Summit next month? We'll be there. Registration is open - more details in the latest newsletter πŸ‘‡

1 month ago 0 0 0 0
Test Your Zeek Alerting Pipeline with a Simple Script
Test Your Zeek Alerting Pipeline with a Simple Script YouTube video by Zeek

Check out our latest lightning talk! This team runs a weekly Zeek script that fires a test alert from tap to on-call notification. If it doesn't arrive, something's broken.

www.youtube.com/watch?v=zlA-...

1 month ago 0 0 0 1

Zeek 8.2 is in development! ZeroMQ performance is looking strong and the team is looking for feedback. Details in this month's newsletter πŸ‘‡

1 month ago 0 0 0 0
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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 Zero...

Catch up on Zeek via our latest newsletter: 8.2 development, upcoming events, AI policy, and more: community.zeek.org/t/zeek-newsl...

1 month ago 0 0 0 2
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A new blog post covers Zeek customization: what the community actually changes, what to leave alone, and why two people solving the same problem differently can both be right.

zeek.org/2026/03/what...

1 month ago 1 0 0 0

Don't forget about tomorrow's Community Call. Join us and let us know what's on your mind when it comes to Zeek.

1 month ago 0 0 0 0
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Our recent blog post is worth a read if you've been thinking about Zeek + AWS:

1 month ago 0 0 0 0
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Mark your calendars - the next Zeek Community Call is happening March 4 at 10am Pacific Time. Grab the Zoom link here:

zeek.org/events/

1 month ago 0 0 0 1