# Cylus CylusOne vs GREYCORTEX Mendel OT: side-by-side comparison (2026)

[Cylus CylusOne](https://cybersectools.com/tools/cylus-cylusone) is a commercial [industrial control system security](https://cybersectools.com/categories/ics-security) solution by [Cylus](https://cybersectools.com/companies/cylus). [GREYCORTEX Mendel OT](https://cybersectools.com/tools/greycortex-mendel-ot) is a commercial [industrial control system security](https://cybersectools.com/categories/ics-security) solution by [GREYCORTEX](https://cybersectools.com/companies/greycortex). Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | Cylus CylusOne | GREYCORTEX Mendel OT |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Industrial Control System Security | Industrial Control System Security |
| Verified | No | No |
| Deployment type | On-Premises | On-Premises |
| Company size fit | Mid-Market, Enterprise | SMB, Mid-Market, Enterprise |
| Company | Cylus | GREYCORTEX |
| Headquarters | – | – |

### Use cases and capabilities

| | Cylus CylusOne | GREYCORTEX Mendel OT |
|---|---|---|
| Network Segmentation | Yes | – |
| PCAP | Yes | – |
| SCADA | – | Yes |
| Critical Infrastructure | – | Yes |
| Anomaly Detection | – | Yes |
| Network Monitoring | – | Yes |
| Network Visibility | – | Yes |
| Vulnerability | – | Yes |
| PLC | – | Yes |
| Network Discovery | – | Yes |
| Misconfiguration | – | Yes |
| Attack Detection | – | Yes |

### Core features

**Cylus CylusOne**

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

**GREYCORTEX Mendel OT**

8 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.

- [GREYCORTEX Mendel OT](https://cybersectools.com/tools/greycortex-mendel-ot) fits if you are a small business.

## Cylus CylusOne vs GREYCORTEX Mendel OT FAQ

Common questions when comparing Cylus CylusOne vs GREYCORTEX Mendel OT for industrial control system security.

### What is the difference between Cylus CylusOne and GREYCORTEX Mendel OT?

**Cylus CylusOne**: OT cybersecurity platform for rail networks with asset discovery and threat detection, built by Cylus.

**GREYCORTEX Mendel OT**: IDS for ICS/SCADA networks using deep packet inspection and AI-based anomaly detection, built by GREYCORTEX.

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

### Who makes Cylus CylusOne and GREYCORTEX Mendel OT?

**Cylus CylusOne** is made by Cylus. **GREYCORTEX Mendel OT** is made by GREYCORTEX. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is Cylus CylusOne a good alternative to GREYCORTEX Mendel OT?

Often, yes. Cylus CylusOne and GREYCORTEX Mendel OT are both Industrial Control System Security products. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Cylus CylusOne vs ICsec SCADvance XP](https://cybersectools.com/compare/cylus-cylusone-vs-icsec-scadvance-xp)
- [Cylus CylusOne vs DERSec Platform](https://cybersectools.com/compare/cylus-cylusone-vs-dersec-platform)
- [Cylus CylusOne vs Vantelis Water](https://cybersectools.com/compare/cylus-cylusone-vs-vantelis-water)
- [GREYCORTEX Mendel OT vs ICsec SCADvance XP](https://cybersectools.com/compare/greycortex-mendel-ot-vs-icsec-scadvance-xp)
- [GREYCORTEX Mendel OT vs DERSec Platform](https://cybersectools.com/compare/dersec-platform-vs-greycortex-mendel-ot)
- [GREYCORTEX Mendel OT vs Vantelis Water](https://cybersectools.com/compare/greycortex-mendel-ot-vs-vantelis-water)

## Alternatives to each

- [See all Cylus CylusOne alternatives](https://cybersectools.com/alternatives/cylus-cylusone)
- [See all GREYCORTEX Mendel OT alternatives](https://cybersectools.com/alternatives/greycortex-mendel-ot)

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Source: https://cybersectools.com/compare/cylus-cylusone-vs-greycortex-mendel-ot

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

More on Cylus CylusOne and GREYCORTEX Mendel OT: 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