FreeWave Zentry is a commercial industrial control system security solution by FreeWave Technologies. swIDch PLC OTAC is a commercial industrial control system security solution by swIDch. Features, integrations, deployment and the company behind each one, side by side.
OT-focused operational zero trust platform for secure field device access.
MFA solution for OT devices using dynamic one-time authentication codes
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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 swIDch PLC OTAC for industrial control system security.
FreeWave Zentry: OT-focused operational zero trust platform for secure field device access. Built by FreeWave Technologies.
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.
FreeWave Zentry is made by FreeWave Technologies founded in 1993-01-01T00:00:00.000Z. 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.
Often, yes. FreeWave Zentry 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.
No Industrial Control System Security shortlist yet. This is the closest one.
Updated 2026-11-02
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