# Nautilus OT vs Phosphorus xIoT Global Device Network: side-by-side comparison (2026)

[Nautilus OT](https://cybersectools.com/tools/nautilus-ot) is a commercial [OT asset discovery](https://cybersectools.com/categories/asset-discovery) solution by [Nautilus](https://cybersectools.com/companies/nautilus). [Phosphorus xIoT Global Device Network](https://cybersectools.com/tools/phosphorus-xiot-global-device-network) is a commercial [OT asset discovery](https://cybersectools.com/categories/asset-discovery) solution by [Phosphorus Cybersecurity](https://cybersectools.com/companies/phosphorus-cybersecurity). Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | Nautilus OT | Phosphorus xIoT Global Device Network |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | OT Asset Discovery | OT Asset Discovery |
| Verified | No | No |
| Deployment type | On-Premises | Cloud |
| Company size fit | Mid-Market, Enterprise | Mid-Market, Enterprise |
| Company | Nautilus | Phosphorus Cybersecurity |
| Headquarters | – | – |

### Use cases and capabilities

| | Nautilus OT | Phosphorus xIoT Global Device Network |
|---|---|---|
| Critical Infrastructure | Yes | – |
| Network Visibility | Yes | – |
| Network Monitoring | Yes | – |
| Anomaly Detection | Yes | – |
| Ransomware | Yes | – |
| Vulnerability | Yes | – |
| Security Compliance Training | Yes | – |
| Network Discovery | Yes | – |
| IoT Security | – | Yes |
| SCADA | – | Yes |
| Inventory | – | Yes |

### Core features

**Nautilus OT**

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

**Phosphorus xIoT Global Device Network**

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

### Integrations

**Nautilus OT**

No integrations listed.

**Phosphorus xIoT Global Device Network**

50 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.

- [Nautilus OT](https://cybersectools.com/tools/nautilus-ot) fits if you need to run it on your own servers.
- [Phosphorus xIoT Global Device Network](https://cybersectools.com/tools/phosphorus-xiot-global-device-network) fits if you want a cloud product.

## Nautilus OT vs Phosphorus xIoT Global Device Network FAQ

Common questions when comparing Nautilus OT vs Phosphorus xIoT Global Device Network for OT asset discovery.

### What is the difference between Nautilus OT and Phosphorus xIoT Global Device Network?

**Nautilus OT**: Built by Nautilus.

**Phosphorus xIoT Global Device Network**: Database of 1M+ xIoT/OT/IoMT device profiles for CPS asset coverage. Built by Phosphorus Cybersecurity.

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

### Who makes Nautilus OT and Phosphorus xIoT Global Device Network?

**Nautilus OT** is made by Nautilus. **Phosphorus xIoT Global Device Network** is made by Phosphorus Cybersecurity. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is Nautilus OT a good alternative to Phosphorus xIoT Global Device Network?

Often, yes. Nautilus OT and Phosphorus xIoT Global Device Network are both OT Asset Discovery products. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Nautilus OT vs Vantelis Data Acquisition Platform](https://cybersectools.com/compare/nautilus-ot-vs-vantelis-data-acquisition-platform)
- [Nautilus OT vs Redinent Deep Asset Intelligence](https://cybersectools.com/compare/nautilus-ot-vs-redinent-deep-asset-intelligence)
- [Nautilus OT vs SAM Intelligence](https://cybersectools.com/compare/nautilus-ot-vs-sam-intelligence)
- [Phosphorus xIoT Global Device Network vs Vantelis Data Acquisition Platform](https://cybersectools.com/compare/phosphorus-xiot-global-device-network-vs-vantelis-data-acquisition-platform)
- [Phosphorus xIoT Global Device Network vs Redinent Deep Asset Intelligence](https://cybersectools.com/compare/phosphorus-xiot-global-device-network-vs-redinent-deep-asset-intelligence)
- [Phosphorus xIoT Global Device Network vs SAM Intelligence](https://cybersectools.com/compare/phosphorus-xiot-global-device-network-vs-sam-intelligence)

## Alternatives to each

- [See all Nautilus OT alternatives](https://cybersectools.com/alternatives/nautilus-ot)
- [See all Phosphorus xIoT Global Device Network alternatives](https://cybersectools.com/alternatives/phosphorus-xiot-global-device-network)

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Source: https://cybersectools.com/compare/nautilus-ot-vs-phosphorus-xiot-global-device-network

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

More on Nautilus OT and Phosphorus xIoT Global Device Network: 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