# SentinelTestbed vs SudoCyber: side-by-side comparison (2026)

[SentinelTestbed](https://cybersectools.com/tools/sentineltestbed) is a free [cyber range training](https://cybersectools.com/categories/cyber-range) solution. [SudoCyber](https://cybersectools.com/tools/sudocyber) is a commercial [cyber range training](https://cybersectools.com/categories/cyber-range) solution by [SudoCyber](https://cybersectools.com/companies/sudocyber). Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | SentinelTestbed | SudoCyber |
|---|---|---|
| Pricing model | Free | Commercial |
| Category | Cyber Range Training | Cyber Range Training |
| Verified | No | No |
| Deployment type | On-Premises | Hybrid |
| Company size fit | Startup, SMB, Mid-Market | Startup, SMB, Mid-Market, Enterprise |
| GitHub stars | 11 | – |
| Last commit | Nov 2016 | – |
| Company | – | SudoCyber |
| Headquarters | – | – |

### Use cases and capabilities

| | SentinelTestbed | SudoCyber |
|---|---|---|
| PHP | Yes | – |
| SQLite | Yes | – |
| Vulnerable Applications | Yes | – |
| Gamification | – | Yes |
| CTF | – | Yes |
| Cyber Range | – | Yes |
| Education | – | Yes |

### Core features

**SentinelTestbed**

No features listed.

**SudoCyber**

10 features 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.

- [SentinelTestbed](https://cybersectools.com/tools/sentineltestbed) fits if you need to run it on your own servers, you need a free product and you want an open-source product.
- [SudoCyber](https://cybersectools.com/tools/sudocyber) fits if you need both cloud and on-premises options and you are an enterprise.

## SentinelTestbed vs SudoCyber FAQ

Common questions when comparing SentinelTestbed vs SudoCyber for cyber range training.

### What is the difference between SentinelTestbed and SudoCyber?

**SentinelTestbed**: A vulnerable web site for testing Sentinel features.

**SudoCyber**: Gamified cybersecurity training platform with hands-on labs and certifications, built by SudoCyber.

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

### Who makes SentinelTestbed and SudoCyber?

**SentinelTestbed** is open-source with 11 GitHub stars. **SudoCyber** is made by SudoCyber. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is SentinelTestbed a good alternative to SudoCyber?

Often, yes. SentinelTestbed and SudoCyber are both Cyber Range Training products. Key differences: SentinelTestbed is Free while SudoCyber is Commercial, SentinelTestbed is open-source. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [SentinelTestbed vs GemForge Labs](https://cybersectools.com/compare/gemforge-labs-vs-sentineltestbed)
- [SentinelTestbed vs MetaCTF Cloud Labs / Cloud Ranges](https://cybersectools.com/compare/metactf-cloud-labs-cloud-ranges-vs-sentineltestbed)
- [SentinelTestbed vs TryHackMe Cyber Security Training](https://cybersectools.com/compare/sentineltestbed-vs-tryhackme-cyber-security-training)
- [SudoCyber vs GemForge Labs](https://cybersectools.com/compare/gemforge-labs-vs-sudocyber)
- [SudoCyber vs MetaCTF Cloud Labs / Cloud Ranges](https://cybersectools.com/compare/metactf-cloud-labs-cloud-ranges-vs-sudocyber)
- [SudoCyber vs TryHackMe Cyber Security Training](https://cybersectools.com/compare/sudocyber-vs-tryhackme-cyber-security-training)

## Alternatives to each

- [See all SentinelTestbed alternatives](https://cybersectools.com/alternatives/sentineltestbed)
- [See all SudoCyber alternatives](https://cybersectools.com/alternatives/sudocyber)

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Source: https://cybersectools.com/compare/sentineltestbed-vs-sudocyber

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

More on SentinelTestbed and SudoCyber: 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