# GREYCORTEX Mendel OT vs swIDch PLC OTAC: side-by-side comparison (2026)

[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). [swIDch PLC OTAC](https://cybersectools.com/tools/swidch-plc-otac) is a commercial [industrial control system security](https://cybersectools.com/categories/ics-security) solution by [swIDch](https://cybersectools.com/companies/swidch). Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

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

### Use cases and capabilities

| | GREYCORTEX Mendel OT | swIDch PLC OTAC |
|---|---|---|
| SCADA | Yes | 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 | – |
| Password Management | – | Yes |

### Core features

**GREYCORTEX Mendel OT**

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

**swIDch PLC OTAC**

10 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 need to run it on your own servers and you are a small business.
- [swIDch PLC OTAC](https://cybersectools.com/tools/swidch-plc-otac) fits if you need both cloud and on-premises options.

## GREYCORTEX Mendel OT vs swIDch PLC OTAC FAQ

Common questions when comparing GREYCORTEX Mendel OT vs swIDch PLC OTAC for industrial control system security.

### What is the difference between GREYCORTEX Mendel OT and swIDch PLC OTAC?

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

**swIDch PLC OTAC**: MFA solution for OT devices using dynamic one-time authentication codes. Built by swIDch.

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

### Who makes GREYCORTEX Mendel OT and swIDch PLC OTAC?

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

### Is GREYCORTEX Mendel OT a good alternative to swIDch PLC OTAC?

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

## Related comparisons

- [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)
- [swIDch PLC OTAC vs ICsec SCADvance XP](https://cybersectools.com/compare/icsec-scadvance-xp-vs-swidch-plc-otac)
- [swIDch PLC OTAC vs DERSec Platform](https://cybersectools.com/compare/dersec-platform-vs-swidch-plc-otac)
- [swIDch PLC OTAC vs Vantelis Water](https://cybersectools.com/compare/swidch-plc-otac-vs-vantelis-water)

## Alternatives to each

- [See all GREYCORTEX Mendel OT alternatives](https://cybersectools.com/alternatives/greycortex-mendel-ot)
- [See all swIDch PLC OTAC alternatives](https://cybersectools.com/alternatives/swidch-plc-otac)

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Source: https://cybersectools.com/compare/greycortex-mendel-ot-vs-swidch-plc-otac

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

More on GREYCORTEX Mendel OT and swIDch PLC OTAC: 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