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Corelight recognized as a leader in the 2025 Gartner Magic Quadrant™ for network detection and response

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Corelight Bright Ideas Blog

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Zeek

Telegram Zeek, you’re my main notice

I’ve created and released a Zeek package, zeek-notice-telegram. I’ll walk you through a simple example so you can write your own action.

Yacin Nadji Jul 29, 2021
Zeek

Who’s your fridge talking to at night?

Corelight is excited to announce the Corelight@Home program, bringing Corelight’s enterprise-class Network Detection and Response to home networks.

Gary Fisk Nov 19, 2020
Zeek

Small, fast and easy. Pick any three.

Zeek has been the darling of security defenders looking to get deep visibility into network traffic. Today, we are excited to announce the Software...

Seth Hall Nov 18, 2020
Zeek

Community detection: CVE-2020-16898

This blog is a brief story of a few points that occurred to me during the less than 24 hours it took to turn around this package from dev to testing.

Ben Reardon Oct 15, 2020
Zeek

Community ID support for Wireshark

The past few weeks have seen several developments around Community ID and support for Wireshark. I’d like to summarize them in this blog post.

Christian Kreibich Oct 7, 2020
Zeek

Mixed VLAN tags and BPF syntax

This post contains a warning and a solution for anyone using BPF syntax when filtering traffic for network security monitoring.

Richard Bejtlich Aug 27, 2020
Zeek

Analyzing encrypted RDP connections

Open source Zeek is capable of analyzing RDP connections and does a fantastic job handling the many options and configurations the RDP protocol...

Anthony Kasza May 13, 2020