FreeWave Zentry is a commercial industrial control system security solution by FreeWave Technologies. Gambit KnightGuard for OT & Critical Infra is a commercial industrial control system security solution by Gambit Cyber. Features, integrations, deployment and the company behind each one, side by side.
OT-focused operational zero trust platform for secure field device access.
OT & critical infrastructure protection platform for threat-informed defense
See more solutions in this category, or build a security stack from your picks.
Based on what each listing shows: deployment, company size, price and open source.
FreeWave Zentry fits if you are a small business.
Common questions when comparing FreeWave Zentry vs Gambit KnightGuard for OT & Critical Infra for industrial control system security.
FreeWave Zentry: OT-focused operational zero trust platform for secure field device access, built by FreeWave Technologies.
Gambit KnightGuard for OT & Critical Infra: OT & critical infrastructure protection platform for threat-informed defense, built by Gambit Cyber.
The table above shows where their features, integrations, deployment and company size fit differ.
FreeWave Zentry is made by FreeWave Technologies founded in 1993-01-01T00:00:00.000Z. Gambit KnightGuard for OT & Critical Infra is made by Gambit Cyber. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.
Often, yes. FreeWave Zentry and Gambit KnightGuard for OT & Critical Infra are both Industrial Control System Security products, and both cover SCADA, Critical Infrastructure. Use the table above to see where features, deployment and company size fit differ.
No Industrial Control System Security shortlist yet. This is the closest one.
Updated 2026-11-01
See the shortlist
