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

Jan 29, 2026 · 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 maintenance.

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 …

3 days ago · Think of the Zeek language as a “domain-specific Python” (or Perl): just like Python, the system comes with a large set of pre-built functionality (the “standard library”), yet users can also put …

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 …

Zeek is an open-source software platform that generates compact, high-fidelity transaction logs, file content, and fully customizable outputs, providing analysts with actionable data.

Aug 22, 2025 · We’re proud to announce the release of Zeek 8.0! This release introduces a range of technical innovations and culminates architectural improvements we’ve been working on since the …

Zeek supports network operations at a broad variety of sites, including major corporations, universities, research labs, and supercomputing centers. It’s also used widely by researchers to prototype novel …

Click run and see the Zeek magic happen. You may need to scroll down a bit to get to the output. In this simple example you can see already a specialty of Zeek, the "event". Zeek is event-driven. This …

3 days ago · Zeek possesses the capability to write the logs in several formats and perform certain log management processes like compression and archiving. Analysts make use of Zeek data by …