Terafence a4GATE vs Waterfall Security Solutions: Side-by-Side Comparison (2026)

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

Waterfall Security Solutions: Hardware-enforced unidirectional gateways for OT/ICS network security. built by Waterfall Security Solutions..

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

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

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