# Zeek

- **Canonical URI:** https://www.vioscale.ai/software/zeek
- **Category:** Network Security
- **Homepage:** https://zeek.org
- **Also known as:** zeek
- **Profile claimed by vendor:** no
- **Last updated:** 2026-08-26T19:33:22.626Z

## Vioscale score

**52.4 / 100**, confidence 24% (low). Computed 2026-09-01.

Composite of weighted, independently-sourced signals (no user reviews, no vendor payment).

| Signal | Score | Weight | Contribution | Evidence present |
|---|--:|--:|--:|:--:|
| price_level | 100 | 0.052 | 5.2 | ✓ |
| reliability | 0 | 0.073 | 0 | - |
| capabilities | 0 | 0.084 | 0 | - |
| repo_stars | 73.5 | 0.026 | 1.9 | ✓ |
| integrations | 13.7 | 0.09355555555555557 | 1.3 | ✓ |
| dependent_projects | 0 | 0.063 | 0 | ✓ |
| dev_activity | 63.1 | 0.094 | 5.9 | ✓ |
| release_cadence | 98.9 | 0.052 | 5.1 | ✓ |
| security_posture | 0 | 0.073 | 0 | - |
| package_downloads | 0 | 0.136 | 0 | - |
| security_score | 64 | 0.042 | 2.7 | ✓ |
| pricing_transparency | 0 | 0.084 | 0 | - |
| community_qa_activity | 0 | 0.063 | 0 | - |

## Pricing

_As of 2026-08-19, [verify at source](https://zeek.org). Independently observed._

Open source

> Free and open source

## About

A passive network monitoring tool that analyzes traffic on sensors to generate detailed logs and file data for security investigation and integration with SIEM platforms, without interfering with network operations.

_Independently observed._

## Platform & deployment
- **Deployment:** Cloud / SaaS, Self-hosted

## Integrations (2)

_Independently observed._

- AWS Traffic Mirroring
- Kafka

## Release history

| Version | Date | Type |
|---|---|---|
| [v9.0.0-rc1](https://github.com/zeek/zeek/releases/tag/v9.0.0-rc1) | 2026-08-21 | prerelease |
| [v8.2.2](https://github.com/zeek/zeek/releases/tag/v8.2.2) | 2026-08-19 | stable |
| [v8.0.10](https://github.com/zeek/zeek/releases/tag/v8.0.10) | 2026-08-19 | stable |
| [v8.2.1](https://github.com/zeek/zeek/releases/tag/v8.2.1) | 2026-07-10 | stable |
| [v8.0.9](https://github.com/zeek/zeek/releases/tag/v8.0.9) | 2026-07-10 | stable |
| [v8.2.0](https://github.com/zeek/zeek/releases/tag/v8.2.0) | 2026-05-12 | stable |
| [v8.0.8](https://github.com/zeek/zeek/releases/tag/v8.0.8) | 2026-05-12 | stable |
| [v8.1.2](https://github.com/zeek/zeek/releases/tag/v8.1.2) | 2026-04-20 | stable |
| [v8.0.7](https://github.com/zeek/zeek/releases/tag/v8.0.7) | 2026-04-20 | stable |
| [v8.1.1](https://github.com/zeek/zeek/releases/tag/v8.1.1) | 2026-01-29 | stable |
| [v8.0.6](https://github.com/zeek/zeek/releases/tag/v8.0.6) | 2026-01-29 | stable |
| [v8.0.5](https://github.com/zeek/zeek/releases/tag/v8.0.5) | 2026-01-29 | stable |
| [v8.1.0](https://github.com/zeek/zeek/releases/tag/v8.1.0) | 2025-12-15 | stable |
| [v8.0.4](https://github.com/zeek/zeek/releases/tag/v8.0.4) | 2025-11-05 | stable |
| [v8.0.3](https://github.com/zeek/zeek/releases/tag/v8.0.3) | 2025-10-15 | stable |

_… and 5 earlier release(s)._

## Security & compliance


Known vulnerabilities: 0 (0 in the last 12 months) ([source](https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=github.com%2Fzeek%2Fzeek&per_page=100)). A count reflects scale and disclosure, not quality.

## Facts

Every value below carries its source and our confidence. Facts are re-crawled on a freshness schedule.

### pricing

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| pricing.model | commercial | [link](https://zeek.org) | 2026-08-26 | 60% (medium) |
| pricing.price_level | free | [link](https://zeek.org) | 2026-08-19 | 60% (medium) |

### integrations

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| integrations.count | 2 | [link](https://zeek.org) | 2026-08-19 | 60% (medium) |

### market

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| market.availability | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | [link](https://zeek.org) | 2026-08-19 | 75% (high) |

### activity

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| activity.commits_last_30d | 100 | [link](https://github.com/zeek/zeek/pulse) | 2026-08-26 | 65% (medium) |

### adoption

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| adoption.github_stars | 7,907 | [link](https://github.com/zeek/zeek) | 2026-08-26 | 90% (high) |
| adoption.dependent_repos | 0 | [link](https://packages.ecosyste.ms/api/v1/packages/lookup?repository_url=https%3A%2F%2Fgithub.com%2Fzeek%2Fzeek) | 2026-08-26 | 85% (high) |

### language

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| language.primary | C++ | [link](https://github.com/zeek/zeek) | 2026-08-26 | 90% (high) |

### release

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| release.cadence_days | 2 | [link](https://github.com/zeek/zeek/releases) | 2026-08-26 | 70% (medium) |

### security

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| security.scorecard | 6.4 | [link](https://api.securityscorecards.dev/projects/github.com/zeek/zeek) | 2026-08-26 | 90% (high) |
| security.vulnerabilities | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=github.com%2Fzeek%2Fzeek&per_page=100","last_12m":0,"max_severity":null}` | [link](https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=github.com%2Fzeek%2Fzeek&per_page=100) | 2026-08-26 | 90% (high) |

---
*Source: Vioscale (https://www.vioscale.ai/software/zeek). Independent, evidence-based software intelligence. Cite the canonical URI.*