# Guardsix SIEM vs Security Onion Pro: side-by-side comparison (2026)

[Guardsix SIEM](https://cybersectools.com/tools/logpoint-siem) is a commercial [security information and event management](https://cybersectools.com/categories/security-information-and-event-management-siem) solution by [Guardsix](https://cybersectools.com/companies/logpoint). [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). 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

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

### Use cases and capabilities

| | Guardsix SIEM | Security Onion Pro |
|---|---|---|
| MITRE ATT&CK | Yes | Yes |
| Log Management | Yes | – |
| NDR | – | Yes |
| SSO | – | Yes |
| Encryption | – | Yes |
| YARA | – | Yes |
| Sigma | – | Yes |
| Suricata | – | Yes |
| Case Management | – | Yes |
| AI Copilot | – | Yes |
| osquery | – | Yes |

### Core features

**Guardsix SIEM**

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

**Security Onion Pro**

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

### Integrations

**Guardsix SIEM**

No integrations listed.

**Security Onion Pro**

12 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.

- [Guardsix SIEM](https://cybersectools.com/tools/logpoint-siem) fits if you need both cloud and on-premises options and you are a small business.
- [Security Onion Pro](https://cybersectools.com/tools/security-onion-pro) fits if you need to run it on your own servers.

## Guardsix SIEM vs Security Onion Pro FAQ

Common questions when comparing Guardsix SIEM vs Security Onion Pro for security information and event management.

### What is the difference between Guardsix SIEM and Security Onion Pro?

**Guardsix SIEM**: A security information and event management solution that collects, normalizes, and analyzes log data from across an organization's infrastructure to enhance threat detection and compliance reporting. Built by Guardsix.

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

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

### Who makes Guardsix SIEM and Security Onion Pro?

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

### Is Guardsix SIEM a good alternative to Security Onion Pro?

Often, yes. Guardsix SIEM and Security Onion Pro are both Security Information and Event Management products, and both cover MITRE ATT&CK. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Guardsix SIEM vs Exabeam New-Scale SIEM](https://cybersectools.com/compare/exabeam-new-scale-siem-vs-logpoint-siem)
- [Guardsix SIEM vs BluSapphire SIEMless-SIEM](https://cybersectools.com/compare/blusapphire-siemless-siem-vs-logpoint-siem)
- [Guardsix SIEM vs Huntsman Security Enterprise SIEM](https://cybersectools.com/compare/huntsman-security-enterprise-siem-vs-logpoint-siem)
- [Security Onion Pro vs Exabeam New-Scale SIEM](https://cybersectools.com/compare/exabeam-new-scale-siem-vs-security-onion-pro)
- [Security Onion Pro vs BluSapphire SIEMless-SIEM](https://cybersectools.com/compare/blusapphire-siemless-siem-vs-security-onion-pro)
- [Security Onion Pro vs Huntsman Security Enterprise SIEM](https://cybersectools.com/compare/huntsman-security-enterprise-siem-vs-security-onion-pro)

## Alternatives to each

- [See all Guardsix SIEM alternatives](https://cybersectools.com/alternatives/logpoint-siem)
- [See all Security Onion Pro alternatives](https://cybersectools.com/alternatives/security-onion-pro)

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Source: https://cybersectools.com/compare/logpoint-siem-vs-security-onion-pro

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More on Guardsix SIEM and Security Onion Pro: 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