Zeek (formerly Bro) is the world’s leading platform for network security monitoring. Flexible, open source, and powered by defenders.

3 days ago · If you are interested in following development, clone Zeek from our GitHub repository. We are also making nightly Linux binaries available that are cut from the master development branch. …

4 days ago · The purpose of this manual is to assist the Zeek community with implementing Zeek in their environments. It includes material on Zeek’s unique capabilities, how to install it, how to interpret the …

Jan 29, 2026 · The purpose of this manual is to assist the Zeek community with implementing Zeek in their environments. It includes material on Zeek’s unique capabilities, how to install it, how to …

About About the Zeek Project The Network Security Platform Trusted Worldwide Zeek is an open-source software platform that generates compact, high-fidelity transaction logs, file content, and fully …

Zeek is a platform for network traffic analysis, with a particular focus on semantic security monitoring at scale. While often compared to classic intrusion detection/prevention systems, Zeek takes a quite …

4 days ago · About Zeek What Is Zeek? Zeek is a passive, open-source network traffic analyzer. Many operators use Zeek as a network security monitor (NSM) to support investigations of suspicious or …

By default, Zeek discards network packets with checksum errors. This flag tells Zeek to ignore checksums. Modern operating systems and network devices use checksum offloading, which leaves …

Hello World Welcome to our interactive Zeek tutorial. (Note that "Zeek" is the new name of what used to be known as the "Bro" network monitoring system. The old "Bro" name still frequently appears in the …

By default, Zeek discards network packets with checksum errors. This flag tells Zeek to ignore checksums. Modern operating systems and network devices use checksum offloading, which leaves …