# IronNet IronDefense vs Joy: side-by-side comparison (2026)

[IronNet IronDefense](https://cybersectools.com/tools/ironnet-irondefense) is a commercial [network detection and response](https://cybersectools.com/categories/ndr) solution by [IronNet](https://cybersectools.com/companies/ironnet). [Joy](https://cybersectools.com/tools/joy) is a free [network detection and response](https://cybersectools.com/categories/ndr) solution. Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | IronNet IronDefense | Joy |
|---|---|---|
| Pricing model | Commercial | Free |
| Category | Network Detection and Response | Network Detection and Response |
| Verified | No | No |
| Deployment type | Hybrid | On-Premises |
| Company size fit | Mid-Market, Enterprise | Mid-Market, Enterprise |
| GitHub stars | – | 1,356 |
| Last commit | – | Nov 2019 |
| Company | IronNet | – |
| Headquarters | – | – |

### Use cases and capabilities

| | IronNet IronDefense | Joy |
|---|---|---|
| Anomaly Detection | Yes | – |
| PCAP | Yes | Yes |
| Flow Analysis | – | Yes |

### Core features

**IronNet IronDefense**

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

**Joy**

No features listed.

### Integrations

**IronNet IronDefense**

1 integration listed. Sign in on the page to see them.

**Joy**

No integrations listed.

## Which one fits you

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

- [IronNet IronDefense](https://cybersectools.com/tools/ironnet-irondefense) fits if you need both cloud and on-premises options.
- [Joy](https://cybersectools.com/tools/joy) fits if you need to run it on your own servers, you need a free product and you want an open-source product.

## IronNet IronDefense vs Joy FAQ

Common questions when comparing IronNet IronDefense vs Joy for network detection and response.

### What is the difference between IronNet IronDefense and Joy?

**IronNet IronDefense**: Network detection and response platform for threat detection and visibility, built by IronNet.

**Joy**: A package for capturing and analyzing network flow data and intraflow data.

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

### Who makes IronNet IronDefense and Joy?

**IronNet IronDefense** is made by IronNet. **Joy** is open-source with 1,356 GitHub stars. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is IronNet IronDefense a good alternative to Joy?

Often, yes. IronNet IronDefense and Joy are both Network Detection and Response products, and both cover PCAP. Key differences: IronNet IronDefense is Commercial while Joy is Free, Joy is open-source. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [IronNet IronDefense vs GREYCORTEX Mendel](https://cybersectools.com/compare/greycortex-mendel-vs-ironnet-irondefense)
- [IronNet IronDefense vs Red Piranha Crystal Eye NDR](https://cybersectools.com/compare/ironnet-irondefense-vs-red-piranha-crystal-eye-ndr)
- [IronNet IronDefense vs Viettel VCS-NSM](https://cybersectools.com/compare/ironnet-irondefense-vs-viettel-vcs-nsm)
- [Joy vs GREYCORTEX Mendel](https://cybersectools.com/compare/greycortex-mendel-vs-joy)
- [Joy vs Red Piranha Crystal Eye NDR](https://cybersectools.com/compare/joy-vs-red-piranha-crystal-eye-ndr)
- [Joy vs Viettel VCS-NSM](https://cybersectools.com/compare/joy-vs-viettel-vcs-nsm)

## Alternatives to each

- [See all IronNet IronDefense alternatives](https://cybersectools.com/alternatives/ironnet-irondefense)
- [See all Joy alternatives](https://cybersectools.com/alternatives/joy)

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Source: https://cybersectools.com/compare/ironnet-irondefense-vs-joy

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

More on IronNet IronDefense and Joy: 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