# Autonomous Mode vs UnderDefense AI SOC: side-by-side comparison (2026)

[Autonomous Mode](https://cybersectools.com/tools/legion-autonomous-mode) is a commercial [AI SOC](https://cybersectools.com/categories/ai-soc) solution by [Legion Security](https://cybersectools.com/companies/legion-security). [UnderDefense AI SOC](https://cybersectools.com/tools/underdefense-maxi) is a commercial [AI SOC](https://cybersectools.com/categories/ai-soc) solution by [UnderDefense](https://cybersectools.com/companies/underdefense). Features, integrations, deployment and the company behind each one, side by side.

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## Side-by-side comparison

| | Autonomous Mode | UnderDefense AI SOC |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | AI SOC | AI SOC |
| Verified | No | No |
| Deployment type | Cloud | Hybrid |
| Company size fit | Mid-Market, Enterprise | Enterprise, Mid-Market |
| Company | Legion Security | UnderDefense |
| Headquarters | – | – |

### Use cases and capabilities

| | Autonomous Mode | UnderDefense AI SOC |
|---|---|---|
| AI SOC | Yes | Yes |
| Agentic AI Security | Yes | – |
| Investigation | Yes | Yes |
| Triage | Yes | Yes |
| Generative AI | Yes | – |
| AI Copilot | Yes | – |
| Threat Analysis | Yes | – |
| Security Orchestration | Yes | – |
| Anomaly Detection | Yes | Yes |
| Alerting | Yes | Yes |
| MITRE ATT&CK | – | Yes |
| Detection Rules | – | Yes |
| Threat Management | – | Yes |
| SCADA | – | Yes |
| Ransomware Prevention | – | Yes |

### Core features

**Autonomous Mode**

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

**UnderDefense AI SOC**

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

### Integrations

**Autonomous Mode**

No integrations listed.

**UnderDefense AI SOC**

8 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.

- [Autonomous Mode](https://cybersectools.com/tools/legion-autonomous-mode) fits if you want a cloud product.
- [UnderDefense AI SOC](https://cybersectools.com/tools/underdefense-maxi) fits if you need both cloud and on-premises options.

## Autonomous Mode vs UnderDefense AI SOC FAQ

Common questions when comparing Autonomous Mode vs UnderDefense AI SOC for AI SOC.

### What is the difference between Autonomous Mode and UnderDefense AI SOC?

**Autonomous Mode**: AI-driven autonomous security investigation agent by Legion Security, built by Legion Security.

**UnderDefense AI SOC**: Agentic AI SOC platform with 250+ SIEM, EDR & cloud integrations, with 24/7 IR support, built by UnderDefense.

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

### Who makes Autonomous Mode and UnderDefense AI SOC?

**Autonomous Mode** is made by Legion Security. **UnderDefense AI SOC** is made by UnderDefense. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is Autonomous Mode a good alternative to UnderDefense AI SOC?

Often, yes. Autonomous Mode and UnderDefense AI SOC are both AI SOC products, and both cover AI SOC, Alerting, Triage. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Autonomous Mode vs Guided Mode](https://cybersectools.com/compare/legion-autonomous-mode-vs-legion-security-guided-mode)
- [Autonomous Mode vs CipherData AIDR Platform](https://cybersectools.com/compare/cipherdata-aidr-platform-vs-legion-autonomous-mode)
- [Autonomous Mode vs Xmore AI](https://cybersectools.com/compare/legion-autonomous-mode-vs-xmore-ai)
- [UnderDefense AI SOC vs Guided Mode](https://cybersectools.com/compare/legion-security-guided-mode-vs-underdefense-maxi)
- [UnderDefense AI SOC vs CipherData AIDR Platform](https://cybersectools.com/compare/cipherdata-aidr-platform-vs-underdefense-maxi)
- [UnderDefense AI SOC vs Xmore AI](https://cybersectools.com/compare/underdefense-maxi-vs-xmore-ai)

## Alternatives to each

- [See all Autonomous Mode alternatives](https://cybersectools.com/alternatives/legion-autonomous-mode)
- [See all UnderDefense AI SOC alternatives](https://cybersectools.com/alternatives/underdefense-maxi)

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Source: https://cybersectools.com/compare/legion-autonomous-mode-vs-underdefense-maxi

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

More on Autonomous Mode and UnderDefense AI SOC: 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