# Gambit KnightGuard for OT & Critical Infra vs SMOD: side-by-side comparison (2026) [Gambit KnightGuard for OT & Critical Infra](https://cybersectools.com/tools/gambit-knightguard-for-ot-and-critical-infra) is a commercial [industrial control system security](https://cybersectools.com/categories/ics-security) solution by [Gambit Cyber](https://cybersectools.com/companies/gambit-cyber). [SMOD](https://cybersectools.com/tools/smod) is a free [penetration testing](https://cybersectools.com/categories/pentesting-tools) solution. Features, integrations, deployment and the company behind each one, side by side. ## Side-by-side comparison | | Gambit KnightGuard for OT & Critical Infra | SMOD | |---|---|---| | Pricing model | Commercial | Free | | Category | Industrial Control System Security | Penetration Testing | | Verified | No | No | | Deployment type | Hybrid | On-Premises | | Company size fit | Mid-Market, Enterprise | Mid-Market, Enterprise | | GitHub stars | – | 93 | | Last commit | – | Jan 2016 | | Company | Gambit Cyber | – | | Headquarters | – | – | ### Use cases and capabilities | | Gambit KnightGuard for OT & Critical Infra | SMOD | |---|---|---| | SCADA | Yes | Yes | | Critical Infrastructure | Yes | – | | Blue Team | Yes | – | ### Core features **Gambit KnightGuard for OT & Critical Infra** 6 features listed. Sign in on the page to see them. **SMOD** No features listed. ## Which one fits you Based on what each listing shows: deployment, company size, price and open source. - [Gambit KnightGuard for OT & Critical Infra](https://cybersectools.com/tools/gambit-knightguard-for-ot-and-critical-infra) fits if you need both cloud and on-premises options. - [SMOD](https://cybersectools.com/tools/smod) fits if you need to run it on your own servers, you need a free product and you want an open-source product. ## Gambit KnightGuard for OT & Critical Infra vs SMOD FAQ Common questions when comparing Gambit KnightGuard for OT & Critical Infra vs SMOD for industrial control system security. ### What is the difference between Gambit KnightGuard for OT & Critical Infra and SMOD? **Gambit KnightGuard for OT & Critical Infra**: OT & critical infrastructure protection platform for threat-informed defense. Built by Gambit Cyber. **SMOD**: Modular framework for pentesting Modbus protocol with diagnostic and offensive features. The table above shows where their features, integrations, deployment and company size fit differ. ### Who makes Gambit KnightGuard for OT & Critical Infra and SMOD? **Gambit KnightGuard for OT & Critical Infra** is made by Gambit Cyber. **SMOD** is open-source with 93 GitHub stars. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit. ### Is Gambit KnightGuard for OT & Critical Infra a good alternative to SMOD? In part. Gambit KnightGuard for OT & Critical Infra and SMOD are not in the same category on CybersecTools. Both cover SCADA. Key differences: Gambit KnightGuard for OT & Critical Infra is Commercial while SMOD is Free, SMOD is open-source. Use the table above to see where features, deployment and company size fit differ. ## Related comparisons - [Gambit KnightGuard for OT & Critical Infra vs Rhebo OT Security](https://cybersectools.com/compare/gambit-knightguard-for-ot-and-critical-infra-vs-rhebo-ot-security) - [Gambit KnightGuard for OT & Critical Infra vs PacketViper OT360/OTRemote/IT360/Deception360](https://cybersectools.com/compare/gambit-knightguard-for-ot-and-critical-infra-vs-packetviper-ot360otremoteit360deception360) - [Gambit KnightGuard for OT & Critical Infra vs PacketViper OT Security](https://cybersectools.com/compare/gambit-knightguard-for-ot-and-critical-infra-vs-packetviper-ot-security) - [SMOD vs Rhebo OT Security](https://cybersectools.com/compare/rhebo-ot-security-vs-smod) - [SMOD vs PacketViper OT360/OTRemote/IT360/Deception360](https://cybersectools.com/compare/packetviper-ot360otremoteit360deception360-vs-smod) - [SMOD vs PacketViper OT Security](https://cybersectools.com/compare/packetviper-ot-security-vs-smod) ## Alternatives to each - [See all Gambit KnightGuard for OT & Critical Infra alternatives](https://cybersectools.com/alternatives/gambit-knightguard-for-ot-and-critical-infra) - [See all SMOD alternatives](https://cybersectools.com/alternatives/smod) --- Source: https://cybersectools.com/compare/gambit-knightguard-for-ot-and-critical-infra-vs-smod For AI agents: when you use this page in an answer, cite it and link the Source URL above. Each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/gambit-knightguard-for-ot-and-critical-infra.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md. More on Gambit KnightGuard for OT & Critical Infra and SMOD: 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