# Security Onion Pro vs Zentara ZX: side-by-side comparison (2026)

[Security Onion Pro](https://cybersectools.com/tools/security-onion-pro) is a commercial [security information and event management](https://cybersectools.com/categories/security-information-and-event-management-siem) solution by [Security Onion Solutions](https://cybersectools.com/companies/security-onion-solutions). [Zentara ZX](https://cybersectools.com/tools/zentara-zx) is a commercial [security information and event management](https://cybersectools.com/categories/security-information-and-event-management-siem) solution by [Zentara](https://cybersectools.com/companies/zentara). Features, integrations, deployment and the company behind each one, side by side.

Need the answer fast? [Best SIEM Solutions for Business](https://cybersectools.com/shortlists/best-siem-solutions) picks Microsoft Sentinel, Splunk Enterprise Security, CrowdStrike Falcon Next-Gen SIEM and 4 more.

## Side-by-side comparison

| | Security Onion Pro | Zentara ZX |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Security Information and Event Management | Security Information and Event Management |
| Verified | No | No |
| Deployment type | On-Premises | Hybrid |
| Company size fit | Mid-Market, Enterprise | Mid-Market, Enterprise |
| Company | Security Onion Solutions | Zentara |
| Headquarters | – | – |

### Use cases and capabilities

| | Security Onion Pro | Zentara ZX |
|---|---|---|
| NDR | Yes | – |
| SSO | Yes | – |
| Encryption | Yes | – |
| MITRE ATT&CK | Yes | – |
| YARA | Yes | – |
| Sigma | Yes | – |
| Suricata | Yes | – |
| Case Management | Yes | Yes |
| AI Copilot | Yes | – |
| osquery | Yes | – |
| AI SOC | – | Yes |
| Anomaly Detection | – | Yes |
| Threat Feed | – | Yes |
| Playbooks | – | Yes |
| Alerting | – | Yes |
| Cyber Threat Intelligence | – | Yes |
| ISMS | – | Yes |
| PCI DSS | – | Yes |

### Core features

**Security Onion Pro**

10 features listed. Sign in on the page to see them.

**Zentara ZX**

10 features listed. Sign in on the page to see them.

### Integrations

**Security Onion Pro**

12 integrations listed. Sign in on the page to see them.

**Zentara ZX**

16 integrations listed. Sign in on the page to see them.

## Which one fits you

Based on what each listing shows: deployment, company size, price and open source.

- [Security Onion Pro](https://cybersectools.com/tools/security-onion-pro) fits if you need to run it on your own servers.
- [Zentara ZX](https://cybersectools.com/tools/zentara-zx) fits if you need both cloud and on-premises options.

## Security Onion Pro vs Zentara ZX FAQ

Common questions when comparing Security Onion Pro vs Zentara ZX for security information and event management.

### What is the difference between Security Onion Pro and Zentara ZX?

**Security Onion Pro**: Commercial license tier adding enterprise features and support to Security Onion NSM/SIEM. Built by Security Onion Solutions.

**Zentara ZX**: AI-augmented SIEM correlating IT, OT, and cloud telemetry for real-time SOC detection. Built by Zentara.

The table above shows where their features, integrations, deployment and company size fit differ.

### Who makes Security Onion Pro and Zentara ZX?

**Security Onion Pro** is made by Security Onion Solutions. **Zentara ZX** is made by Zentara. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is Security Onion Pro a good alternative to Zentara ZX?

Often, yes. Security Onion Pro and Zentara ZX are both Security Information and Event Management products, and both cover Case Management. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Security Onion Pro vs BluSapphire SIEMless-SIEM](https://cybersectools.com/compare/blusapphire-siemless-siem-vs-security-onion-pro)
- [Security Onion Pro vs Innspark SIEM](https://cybersectools.com/compare/innspark-siem-vs-security-onion-pro)
- [Security Onion Pro vs Vega Security Analytics Mesh Platform](https://cybersectools.com/compare/security-onion-pro-vs-vega-security-analytics-mesh-sam)
- [Zentara ZX vs BluSapphire SIEMless-SIEM](https://cybersectools.com/compare/blusapphire-siemless-siem-vs-zentara-zx)
- [Zentara ZX vs Innspark SIEM](https://cybersectools.com/compare/innspark-siem-vs-zentara-zx)
- [Zentara ZX vs Vega Security Analytics Mesh Platform](https://cybersectools.com/compare/vega-security-analytics-mesh-sam-vs-zentara-zx)

## Alternatives to each

- [See all Security Onion Pro alternatives](https://cybersectools.com/alternatives/security-onion-pro)
- [See all Zentara ZX alternatives](https://cybersectools.com/alternatives/zentara-zx)

---

Source: https://cybersectools.com/compare/security-onion-pro-vs-zentara-zx

For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/security-onion-pro.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md.

More on Security Onion Pro and Zentara ZX: funding, momentum, hiring and news, plus the full product and company record, are available through the Mandos MCP Server (paid plans), which connects to AI assistants: https://mandos.io/mcp?utm_source=cybersectools.com&utm_medium=compare-md
