Originally developed by Vern Paxson in the 1990s under the name “Bro,” Zeek was designed to provide deep insights into network activity across university and national lab networks. In 2018, the project …

(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 system's documentation and workings, including in …

Dec 7, 2018 · Bro is a passive, open-source network traffic analyzer. It is primarily a security monitor that inspects all traffic on a link in depth for signs of suspicious activity.

3 days ago · In the fall of 2018, the project leadership team decided to change the name of the software from Bro to Zeek. The leadership team desired a name that better reflected the values of the …

Jan 29, 2026 · Schedule We aim to publish a new Zeek release about every four months. For users seeking more stability, we maintain dedicated long-term support (LTS) releases with one year of …

May 25, 2018 · We are very excited to see all the interest that Bro has been generating recently, with many new deployments across networks of all sizes and people working to interface the system to …

With its powerful, network-optimized programming language, vibrant open-source community, and global adoption, Zeek offers the insights needed to tackle the toughest network challenges across …

(Zeek is the new name for the long-established Bro system. Note that parts of the system retain the "Bro" name, and it also often appears in the documentation and distributions.)

2 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 …

In 2018, the long-established “Bro” system was renamed “Zeek”. For the rationale behind changing the name and the selection of Zeek as the new name, see the associated blog posting or the unveiling …