# Security Onion Pro vs SentinelOne AI SIEM: 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). [SentinelOne AI SIEM](https://cybersectools.com/tools/sentinelone-ai-siem) is a commercial [security information and event management](https://cybersectools.com/categories/security-information-and-event-management-siem) solution by [SentinelOne](https://cybersectools.com/companies/sentinelone). 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 | SentinelOne AI SIEM |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Security Information and Event Management | Security Information and Event Management |
| Verified | No | No |
| Deployment type | On-Premises | Cloud |
| Company size fit | Mid-Market, Enterprise | Mid-Market, Enterprise |
| Company | Security Onion Solutions | SentinelOne |
| Headquarters | – | – |

### Use cases and capabilities

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

### Core features

**Security Onion Pro**

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

**SentinelOne AI SIEM**

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.

**SentinelOne AI SIEM**

No integrations listed.

## 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.
- [SentinelOne AI SIEM](https://cybersectools.com/tools/sentinelone-ai-siem) fits if you want a cloud product.

## Security Onion Pro vs SentinelOne AI SIEM FAQ

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

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

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

**SentinelOne AI SIEM**: AI-driven SIEM platform for real-time threat detection and response. Built by SentinelOne.

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

### Who makes Security Onion Pro and SentinelOne AI SIEM?

**Security Onion Pro** is made by Security Onion Solutions. **SentinelOne AI SIEM** is made by SentinelOne. 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 SentinelOne AI SIEM?

Often, yes. Security Onion Pro and SentinelOne AI SIEM are both Security Information and Event Management products. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [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 Elastic Security](https://cybersectools.com/compare/elastic-security-siem-vs-security-onion-pro)
- [SentinelOne AI SIEM vs Exabeam New-Scale SIEM](https://cybersectools.com/compare/exabeam-new-scale-siem-vs-sentinelone-ai-siem)
- [SentinelOne AI SIEM vs BluSapphire SIEMless-SIEM](https://cybersectools.com/compare/blusapphire-siemless-siem-vs-sentinelone-ai-siem)
- [SentinelOne AI SIEM vs Elastic Security](https://cybersectools.com/compare/elastic-security-siem-vs-sentinelone-ai-siem)

## Alternatives to each

- [See all Security Onion Pro alternatives](https://cybersectools.com/alternatives/security-onion-pro)
- [See all SentinelOne AI SIEM alternatives](https://cybersectools.com/alternatives/sentinelone-ai-siem)

---

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

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 SentinelOne AI SIEM: 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