# Cato SSE 360 vs Reach Security - MS E3/E5 Optimization: side-by-side comparison (2026)

[Cato SSE 360](https://cybersectools.com/tools/cato-sse-360) is a commercial [security service edge](https://cybersectools.com/categories/sse) solution by [Cato Networks](https://cybersectools.com/companies/cato-networks). [Reach Security - MS E3/E5 Optimization](https://cybersectools.com/tools/reach-security-ms-e3e5-optimization) is a commercial [SSPM](https://cybersectools.com/categories/sspm) solution by [Reach Security](https://cybersectools.com/companies/reach-security). Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | Cato SSE 360 | Reach Security - MS E3/E5 Optimization |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Security Service Edge | SSPM |
| Verified | No | No |
| Deployment type | Cloud | Cloud |
| Company size fit | SMB, Mid-Market, Enterprise | SMB, Mid-Market, Enterprise |
| Company | Cato Networks | Reach Security |
| Headquarters | – | – |

### Use cases and capabilities

| | Cato SSE 360 | Reach Security - MS E3/E5 Optimization |
|---|---|---|
| Cloud Native | Yes | – |
| SASE | Yes | – |
| SWG | Yes | – |
| Security Service Edge | Yes | – |
| ZTNA | Yes | – |
| Microsoft | – | Yes |
| Microsoft 365 | – | Yes |
| Security Configuration | – | Yes |
| Misconfiguration | – | Yes |
| Visibility | – | Yes |

### Core features

**Cato SSE 360**

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

**Reach Security - MS E3/E5 Optimization**

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

### Integrations

**Cato SSE 360**

No integrations listed.

**Reach Security - MS E3/E5 Optimization**

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

## Cato SSE 360 vs Reach Security - MS E3/E5 Optimization FAQ

Common questions when comparing Cato SSE 360 vs Reach Security - MS E3/E5 Optimization for security service edge.

### What is the difference between Cato SSE 360 and Reach Security - MS E3/E5 Optimization?

**Cato SSE 360**: Cloud-based SSE platform with SWG, CASB, DLP, and ZTNA capabilities. Built by Cato Networks.

**Reach Security - MS E3/E5 Optimization**: Optimizes Microsoft E3/E5 security configs using real-world attack data. Built by Reach Security.

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

### Who makes Cato SSE 360 and Reach Security - MS E3/E5 Optimization?

**Cato SSE 360** is made by Cato Networks. **Reach Security - MS E3/E5 Optimization** is made by Reach Security. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is Cato SSE 360 a good alternative to Reach Security - MS E3/E5 Optimization?

In part. Cato SSE 360 and Reach Security - MS E3/E5 Optimization are not in the same category on CybersecTools. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Cato SSE 360 vs Versa Networks Security Service Edge](https://cybersectools.com/compare/cato-sse-360-vs-versa-networks-security-service-edge)
- [Cato SSE 360 vs Netskope One SSE](https://cybersectools.com/compare/cato-sse-360-vs-netskope-one-sse)
- [Cato SSE 360 vs Skyhigh Security Skyhigh Cloud Platform](https://cybersectools.com/compare/cato-sse-360-vs-skyhigh-security-skyhigh-cloud-platform)
- [Reach Security - MS E3/E5 Optimization vs Versa Networks Security Service Edge](https://cybersectools.com/compare/reach-security-ms-e3e5-optimization-vs-versa-networks-security-service-edge)
- [Reach Security - MS E3/E5 Optimization vs Netskope One SSE](https://cybersectools.com/compare/netskope-one-sse-vs-reach-security-ms-e3e5-optimization)
- [Reach Security - MS E3/E5 Optimization vs Skyhigh Security Skyhigh Cloud Platform](https://cybersectools.com/compare/reach-security-ms-e3e5-optimization-vs-skyhigh-security-skyhigh-cloud-platform)

## Alternatives to each

- [See all Cato SSE 360 alternatives](https://cybersectools.com/alternatives/cato-sse-360)
- [See all Reach Security - MS E3/E5 Optimization alternatives](https://cybersectools.com/alternatives/reach-security-ms-e3e5-optimization)

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Source: https://cybersectools.com/compare/cato-sse-360-vs-reach-security-ms-e3e5-optimization

For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/cato-sse-360.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md.

More on Cato SSE 360 and Reach Security - MS E3/E5 Optimization: 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
