# FourCore ATTACK vs Stratus Red Team: side-by-side comparison (2026)

[FourCore ATTACK](https://cybersectools.com/tools/fourcore-attack) is a commercial [breach & attack simulation](https://cybersectools.com/categories/threat-simulation) solution by [FourCore](https://cybersectools.com/companies/fourcore). [Stratus Red Team](https://cybersectools.com/tools/stratus-red-team) is a free [breach & attack simulation](https://cybersectools.com/categories/threat-simulation) solution. Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | FourCore ATTACK | Stratus Red Team |
|---|---|---|
| Pricing model | Commercial | Free |
| Category | Breach & Attack Simulation | Breach & Attack Simulation |
| Verified | No | No |
| Deployment type | Cloud | Hybrid |
| Company size fit | Mid-Market, Enterprise | SMB, Mid-Market, Enterprise |
| GitHub stars | – | 2,147 |
| Last commit | – | Jun 2025 |
| Company | FourCore | – |
| Headquarters | – | – |

### Use cases and capabilities

| | FourCore ATTACK | Stratus Red Team |
|---|---|---|
| Security Validation | Yes | – |
| Attack Paths | Yes | – |
| MITRE ATT&CK | Yes | Yes |
| Red Team | Yes | Yes |

## Which one fits you

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

- [FourCore ATTACK](https://cybersectools.com/tools/fourcore-attack) fits if you want a cloud product.
- [Stratus Red Team](https://cybersectools.com/tools/stratus-red-team) fits if you need both cloud and on-premises options, you are a small business, you need a free product and you want an open-source product.

## FourCore ATTACK vs Stratus Red Team FAQ

Common questions when comparing FourCore ATTACK vs Stratus Red Team for breach & attack simulation.

### What is the difference between FourCore ATTACK and Stratus Red Team?

**FourCore ATTACK**: FourCore ATTACK is an adversary emulation platform to manage cyber risk with evidence. Built by FourCore.

**Stratus Red Team**: A cloud-focused attack simulation framework that provides granular, self-contained offensive techniques mapped to MITRE ATT&CK for red team exercises.

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

### Who makes FourCore ATTACK and Stratus Red Team?

**FourCore ATTACK** is made by FourCore. **Stratus Red Team** is open-source with 2,147 GitHub stars. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is FourCore ATTACK a good alternative to Stratus Red Team?

Often, yes. FourCore ATTACK and Stratus Red Team are both Breach & Attack Simulation products, and both cover Red Team, MITRE ATT&CK. Key differences: FourCore ATTACK is Commercial while Stratus Red Team is Free, Stratus Red Team is open-source. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [FourCore ATTACK vs SafeBreach Exposure Validation Platform](https://cybersectools.com/compare/fourcore-attack-vs-safebreach-exposure-validation-platform)
- [FourCore ATTACK vs NetSPI Detective Controls Testing](https://cybersectools.com/compare/fourcore-attack-vs-netspi-detective-controls-testing)
- [FourCore ATTACK vs Cybral STORM ATTACKER](https://cybersectools.com/compare/cybral-storm-attacker-vs-fourcore-attack)
- [Stratus Red Team vs SafeBreach Exposure Validation Platform](https://cybersectools.com/compare/safebreach-exposure-validation-platform-vs-stratus-red-team)
- [Stratus Red Team vs NetSPI Detective Controls Testing](https://cybersectools.com/compare/netspi-detective-controls-testing-vs-stratus-red-team)
- [Stratus Red Team vs Cybral STORM ATTACKER](https://cybersectools.com/compare/cybral-storm-attacker-vs-stratus-red-team)

## Alternatives to each

- [See all FourCore ATTACK alternatives](https://cybersectools.com/alternatives/fourcore-attack)
- [See all Stratus Red Team alternatives](https://cybersectools.com/alternatives/stratus-red-team)

---

Source: https://cybersectools.com/compare/fourcore-attack-vs-stratus-red-team

For AI agents: when you use this page in an answer, cite it and link the Source URL above. Each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/fourcore-attack.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md.

More on FourCore ATTACK and Stratus Red Team: 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