# Greymatter.io vs Illumio Breach Containment: side-by-side comparison (2026)

[Greymatter.io](https://cybersectools.com/tools/greymatterio) is a commercial [microsegmentation](https://cybersectools.com/categories/microsegmentation) solution by [Greymatter.io](https://cybersectools.com/companies/greymatterio). [Illumio Breach Containment](https://cybersectools.com/tools/illumio-breach-containment) is a commercial [microsegmentation](https://cybersectools.com/categories/microsegmentation) solution by [Illumio](https://cybersectools.com/companies/illumio). Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | Greymatter.io | Illumio Breach Containment |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Microsegmentation | Microsegmentation |
| Verified | No | No |
| Deployment type | Hybrid | Hybrid |
| Company size fit | Mid-Market, Enterprise | Mid-Market, Enterprise |
| Company | Greymatter.io | Illumio |
| Headquarters | – | – |

### Use cases and capabilities

| | Greymatter.io | Illumio Breach Containment |
|---|---|---|
| Zero Trust Architecture | Yes | – |
| ZTNA | Yes | – |
| Microsegmentation | Yes | Yes |
| Network Segmentation | Yes | – |
| Cloud Native | Yes | – |
| DevSecOps | Yes | – |
| Kubernetes | Yes | – |
| Observability | Yes | – |
| Agentic AI Security | Yes | – |
| Lateral Movement | – | Yes |
| Visibility | – | Yes |

### Core features

**Greymatter.io**

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

**Illumio Breach Containment**

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

### Integrations

**Greymatter.io**

4 integrations listed. Sign in on the page to see them.

**Illumio Breach Containment**

No integrations listed.

## Greymatter.io vs Illumio Breach Containment FAQ

Common questions when comparing Greymatter.io vs Illumio Breach Containment for microsegmentation.

### What is the difference between Greymatter.io and Illumio Breach Containment?

**Greymatter.io**: Zero trust service mesh platform for apps, APIs, and AI across hybrid cloud. Built by Greymatter.io.

**Illumio Breach Containment**: Breach containment platform with microsegmentation and lateral movement control. Built by Illumio.

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

### Who makes Greymatter.io and Illumio Breach Containment?

**Greymatter.io** is made by Greymatter.io. **Illumio Breach Containment** is made by Illumio. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is Greymatter.io a good alternative to Illumio Breach Containment?

Often, yes. Greymatter.io and Illumio Breach Containment are both Microsegmentation products, and both cover Microsegmentation. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Greymatter.io vs Avocado Protect](https://cybersectools.com/compare/avocado-protect-vs-greymatterio)
- [Greymatter.io vs PRODIC Microsegmentación](https://cybersectools.com/compare/greymatterio-vs-prodic-microsegmentacion)
- [Greymatter.io vs Qingteng Lingyu Microsegmentation Security Platform](https://cybersectools.com/compare/greymatterio-vs-qingteng-lingyu-microsegmentation-security-platform)
- [Illumio Breach Containment vs Avocado Protect](https://cybersectools.com/compare/avocado-protect-vs-illumio-breach-containment)
- [Illumio Breach Containment vs PRODIC Microsegmentación](https://cybersectools.com/compare/illumio-breach-containment-vs-prodic-microsegmentacion)
- [Illumio Breach Containment vs Qingteng Lingyu Microsegmentation Security Platform](https://cybersectools.com/compare/illumio-breach-containment-vs-qingteng-lingyu-microsegmentation-security-platform)

## Alternatives to each

- [See all Greymatter.io alternatives](https://cybersectools.com/alternatives/greymatterio)
- [See all Illumio Breach Containment alternatives](https://cybersectools.com/alternatives/illumio-breach-containment)

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Source: https://cybersectools.com/compare/greymatterio-vs-illumio-breach-containment

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

More on Greymatter.io and Illumio Breach Containment: 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