# GREYCORTEX Mendel OT vs Nozomi Networks Nozomi Guardian: 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). [Nozomi Networks Nozomi Guardian](https://cybersectools.com/tools/nozomi-networks-nozomi-guardian) is a commercial [industrial control system security](https://cybersectools.com/categories/ics-security) solution by [Nozomi Networks](https://cybersectools.com/companies/nozomi-networks). Features, integrations, deployment and the company behind each one, side by side. ## Side-by-side comparison | | GREYCORTEX Mendel OT | Nozomi Networks Nozomi Guardian | |---|---|---| | 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 | SMB, Mid-Market, Enterprise | | Company | GREYCORTEX | Nozomi Networks | | Headquarters | – | – | ### Use cases and capabilities | | GREYCORTEX Mendel OT | Nozomi Networks Nozomi Guardian | |---|---|---| | 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 | – | | IoT Security | – | Yes | ### Core features **GREYCORTEX Mendel OT** 8 features listed. Sign in on the page to see them. **Nozomi Networks Nozomi Guardian** 10 features listed. Sign in on the page to see them. ### Integrations **GREYCORTEX Mendel OT** No integrations listed. **Nozomi Networks Nozomi Guardian** 4 integrations 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. - [Nozomi Networks Nozomi Guardian](https://cybersectools.com/tools/nozomi-networks-nozomi-guardian) fits if you need both cloud and on-premises options. ## GREYCORTEX Mendel OT vs Nozomi Networks Nozomi Guardian FAQ Common questions when comparing GREYCORTEX Mendel OT vs Nozomi Networks Nozomi Guardian for industrial control system security. ### What is the difference between GREYCORTEX Mendel OT and Nozomi Networks Nozomi Guardian? **GREYCORTEX Mendel OT**: IDS for ICS/SCADA networks using deep packet inspection and AI-based anomaly detection. Built by GREYCORTEX. **Nozomi Networks Nozomi Guardian**: Passive network monitoring for OT/IoT asset visibility and threat detection. Built by Nozomi Networks. The table above shows where their features, integrations, deployment and company size fit differ. ### Who makes GREYCORTEX Mendel OT and Nozomi Networks Nozomi Guardian? **GREYCORTEX Mendel OT** is made by GREYCORTEX. **Nozomi Networks Nozomi Guardian** is made by Nozomi Networks. 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 Nozomi Networks Nozomi Guardian? Often, yes. GREYCORTEX Mendel OT and Nozomi Networks Nozomi Guardian are both Industrial Control System Security products. 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 FlintX OT Security Platform](https://cybersectools.com/compare/flintx-ot-security-platform-vs-greycortex-mendel-ot) - [Nozomi Networks Nozomi Guardian vs ICsec SCADvance XP](https://cybersectools.com/compare/icsec-scadvance-xp-vs-nozomi-networks-nozomi-guardian) - [Nozomi Networks Nozomi Guardian vs DERSec Platform](https://cybersectools.com/compare/dersec-platform-vs-nozomi-networks-nozomi-guardian) - [Nozomi Networks Nozomi Guardian vs FlintX OT Security Platform](https://cybersectools.com/compare/flintx-ot-security-platform-vs-nozomi-networks-nozomi-guardian) ## Alternatives to each - [See all GREYCORTEX Mendel OT alternatives](https://cybersectools.com/alternatives/greycortex-mendel-ot) - [See all Nozomi Networks Nozomi Guardian alternatives](https://cybersectools.com/alternatives/nozomi-networks-nozomi-guardian) --- Source: https://cybersectools.com/compare/greycortex-mendel-ot-vs-nozomi-networks-nozomi-guardian 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 Nozomi Networks Nozomi Guardian: 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