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 customizable outputs, providing analysts with actionable data. Whether for a small home office or the largest research and commercial networks, Zeek helps organizations understand how their networks are being used, supporting security, performance, audit, and capacity goals.

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 enterprise, cloud, and industrial computing environments.

Zeek is licensed under the permissive BSD license.

Zeek was previously headquartered at the International Computer Science Institute (ICSI) in Berkeley, CA, a 501(c)(3) nonprofit organization, which played a key role in its early development. Today, Corelight serves as the custodian of the Zeek project. While not the owner, Corelight actively supports Zeek by providing financial backing, contributing code, and advocating for the project within the cybersecurity community, ensuring its continued evolution and impact.

Leadership Team

Find out more about the Zeek community members who volunteer their time as members of the leadership team.

Community Code of Conduct

The Zeek code of conduct explains the overall expectations the community has for its members.

Slack Guidelines

These guidelines explain the expectations the community has for those participating in Slack.

Guideline Marks & Logos

The guideline for marks and logos describes acceptable uses of the Zeek and Bro name and logo.