# NSO Group vs Seatbelt: side-by-side comparison (2026)

[NSO Group](https://cybersectools.com/tools/nso-group) is a commercial [red-team & adversary emulation](https://cybersectools.com/categories/offensive-security) solution by [NSO Group](https://cybersectools.com/companies/nso-group). [Seatbelt](https://cybersectools.com/tools/seatbelt) is a free [red-team & adversary emulation](https://cybersectools.com/categories/offensive-security) solution. Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | NSO Group | Seatbelt |
|---|---|---|
| Pricing model | Commercial | Free |
| Category | Red-Team & Adversary Emulation | Red-Team & Adversary Emulation |
| Verified | No | No |
| Deployment type | On-Premises | On-Premises |
| Company size fit | Enterprise | Startup, SMB, Mid-Market, Enterprise |
| GitHub stars | – | 4,503 |
| Last commit | – | Jan 2025 |
| Company | NSO Group | – |
| Headquarters | – | – |

### Use cases and capabilities

| | NSO Group | Seatbelt |
|---|---|---|
| OSINT | Yes | – |

### Core features

**NSO Group**

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

**Seatbelt**

No features listed.

## Which one fits you

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

- [Seatbelt](https://cybersectools.com/tools/seatbelt) fits if you are a startup or a small business or a mid-market company, you need a free product and you want an open-source product.

## NSO Group vs Seatbelt FAQ

Common questions when comparing NSO Group vs Seatbelt for red-team & adversary emulation.

### What is the difference between NSO Group and Seatbelt?

**NSO Group**: Govt-focused cyber intelligence & surveillance software provider. Built by NSO Group.

**Seatbelt**: Comprehensive host-survey tool for security checks in C#.

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

### Who makes NSO Group and Seatbelt?

**NSO Group** is made by NSO Group. **Seatbelt** is open-source with 4,503 GitHub stars. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is NSO Group a good alternative to Seatbelt?

Often, yes. NSO Group and Seatbelt are both Red-Team & Adversary Emulation products. Key differences: NSO Group is Commercial while Seatbelt is Free, Seatbelt is open-source. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [NSO Group vs GoSecure Titan® Adversarial Simulation](https://cybersectools.com/compare/gosecure-titanr-adversarial-simulation-vs-nso-group)
- [NSO Group vs Ethiack](https://cybersectools.com/compare/ethiack-vs-nso-group)
- [NSO Group vs Two Six Technologies IKE](https://cybersectools.com/compare/nso-group-vs-two-six-technologies-ike)
- [Seatbelt vs GoSecure Titan® Adversarial Simulation](https://cybersectools.com/compare/gosecure-titanr-adversarial-simulation-vs-seatbelt)
- [Seatbelt vs Ethiack](https://cybersectools.com/compare/ethiack-vs-seatbelt)
- [Seatbelt vs Two Six Technologies IKE](https://cybersectools.com/compare/seatbelt-vs-two-six-technologies-ike)

## Alternatives to each

- [See all NSO Group alternatives](https://cybersectools.com/alternatives/nso-group)
- [See all Seatbelt alternatives](https://cybersectools.com/alternatives/seatbelt)

---

Source: https://cybersectools.com/compare/nso-group-vs-seatbelt

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

More on NSO Group and Seatbelt: 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