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Goldilock TruAirgap™ is a commercial network access control tool by Goldilock. SensorFu Beacon is a commercial network access control tool by SensorFu. Compare features, ratings, integrations, and community reviews side by side to find the best network access control fit for your security stack.
CST VerdictBased on our analysis of NIST CSF 2.0 coverage, core features, integrations, company size fit, here is our conclusion:
Enterprise and mid-market teams protecting critical infrastructure or handling high-stakes third-party access will value Goldilock TruAirgap™ for its physical, out-of-band isolation that survives network compromise. The 12-port Layer 1 switching with non-IP management and SMS-based authentication means an attacker controlling your production network cannot flip a port without a separate, parallel command channel. The tool strengthens PR.IR capabilities by design; it's weak on RS.MI, so pair it with incident response automation rather than expecting TruAirgap™ to contain lateral movement on its own. Skip this if your threats are primarily application-layer or you lack dedicated infrastructure staff to manage per-port scheduling.
Mid-market and enterprise teams managing segmented or air-gapped networks will get the most from SensorFu Beacon because it continuously catches network isolation failures that static scans and manual testing miss. The tool tests across nine protocols simultaneously (IPv4, IPv6, TCP, UDP, ICMP, DNS, Ethernet Broadcast, IP Payload) and deploys on commodity hardware,Raspberry Pi, VMs, Windows, Linux,so you verify segmentation in environments where traditional scanners choke. Skip this if you need broader network access control or policy enforcement; Beacon is specifically a leak detector, not an access broker.
Hardware appliance for remote, out-of-band physical network isolation.
Continuously tests network isolation/segmentation by detecting unexpected leaks.
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Common questions about comparing Goldilock TruAirgap™ vs SensorFu Beacon for your network access control needs.
Goldilock TruAirgap™: Hardware appliance for remote, out-of-band physical network isolation. built by Goldilock. headquartered in United Kingdom. Core capabilities include Remote port-level connect/disconnect via out-of-band SMS commands, 12-port OSI Layer 1 Ethernet switching with up to 10Gbps per port pair, Non-IP out-of-band management interface accessible via web browser..
SensorFu Beacon: Continuously tests network isolation/segmentation by detecting unexpected leaks. built by SensorFu. headquartered in Finland. Core capabilities include Continuous network isolation and segmentation verification, Multi-protocol leak testing: IPv4, IPv6, TCP, UDP, ICMP, DNS, Ethernet Broadcast, IP Payload, Beacon Application deployment on Windows and Linux..
Both serve the Network Access Control market but differ in approach, feature depth, and target audience.
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