Terafence a4GATE vs Vantelis OT Security Platform: Side-by-Side Comparison (2026)

Terafence a4GATE: Hardware unidirectional gateway enforcing one-way LAN traffic control for OT/ICS networks. built by Terafence..

Vantelis OT Security Platform: Agentless OT security platform for legacy assets in oil & gas environments. built by Vantelis..

Both serve the OT Network Segmentation market but differ in approach, feature depth, and target audience.

Terafence a4GATE is developed by Terafence. Vantelis OT Security Platform is developed by Vantelis. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

Terafence a4GATE and Vantelis OT Security Platform serve similar OT Network Segmentation use cases: both are OT Network Segmentation tools, both cover Critical Infrastructure, SCADA, Network Segmentation. Review the feature comparison above to determine which fits your requirements.