# LetsDefend for Business vs SimSpace Attack Catalog: side-by-side comparison (2026)

[LetsDefend for Business](https://cybersectools.com/tools/letsdefend-for-business) is a commercial [cyber range training](https://cybersectools.com/categories/cyber-range) solution by [LetsDefend](https://cybersectools.com/companies/letsdefend). [SimSpace Attack Catalog](https://cybersectools.com/tools/simspace-attack-catalog) is a commercial [cyber range training](https://cybersectools.com/categories/cyber-range) solution by [SimSpace](https://cybersectools.com/companies/simspace). Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | LetsDefend for Business | SimSpace Attack Catalog |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Cyber Range Training | Cyber Range Training |
| Verified | No | No |
| Deployment type | Cloud | Cloud |
| Company size fit | SMB, Mid-Market, Enterprise | SMB, Mid-Market, Enterprise |
| Company | LetsDefend | SimSpace |
| Headquarters | – | – |

### Use cases and capabilities

| | LetsDefend for Business | SimSpace Attack Catalog |
|---|---|---|
| Blue Team | Yes | Yes |
| Cyber Range | Yes | Yes |
| APT | – | Yes |
| Red Team | – | Yes |

### Core features

**LetsDefend for Business**

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

**SimSpace Attack Catalog**

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

## LetsDefend for Business vs SimSpace Attack Catalog FAQ

Common questions when comparing LetsDefend for Business vs SimSpace Attack Catalog for cyber range training.

### What is the difference between LetsDefend for Business and SimSpace Attack Catalog?

**LetsDefend for Business**: Hands-on SOC training platform for blue team skill development. Built by LetsDefend.

**SimSpace Attack Catalog**: Catalog of simulated attack scenarios for cyber defense training and validation. Built by SimSpace.

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

### Who makes LetsDefend for Business and SimSpace Attack Catalog?

**LetsDefend for Business** is made by LetsDefend. **SimSpace Attack Catalog** is made by SimSpace. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is LetsDefend for Business a good alternative to SimSpace Attack Catalog?

Often, yes. LetsDefend for Business and SimSpace Attack Catalog are both Cyber Range Training products, and both cover Blue Team, Cyber Range. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [LetsDefend for Business vs Hack The Box Business](https://cybersectools.com/compare/hack-the-box-business-vs-letsdefend-for-business)
- [LetsDefend for Business vs Immersive Cyber Ranges](https://cybersectools.com/compare/immersive-cyber-ranges-vs-letsdefend-for-business)
- [LetsDefend for Business vs MetaCTF Cloud Labs / Cloud Ranges](https://cybersectools.com/compare/letsdefend-for-business-vs-metactf-cloud-labs-cloud-ranges)
- [SimSpace Attack Catalog vs Hack The Box Business](https://cybersectools.com/compare/hack-the-box-business-vs-simspace-attack-catalog)
- [SimSpace Attack Catalog vs Immersive Cyber Ranges](https://cybersectools.com/compare/immersive-cyber-ranges-vs-simspace-attack-catalog)
- [SimSpace Attack Catalog vs MetaCTF Cloud Labs / Cloud Ranges](https://cybersectools.com/compare/metactf-cloud-labs-cloud-ranges-vs-simspace-attack-catalog)

## Alternatives to each

- [See all LetsDefend for Business alternatives](https://cybersectools.com/alternatives/letsdefend-for-business)
- [See all SimSpace Attack Catalog alternatives](https://cybersectools.com/alternatives/simspace-attack-catalog)

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Source: https://cybersectools.com/compare/letsdefend-for-business-vs-simspace-attack-catalog

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

More on LetsDefend for Business and SimSpace Attack Catalog: 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