Bitdefender BOX is the premier dedicated hardware security solution for smart homes, and our 2026 review confirms it remains the gold standard. This compact device sits between your router and all connected devices. In our test home with 32 connected devices, BOX identified every single one within minutes of setup. The vulnerability assessment identified 14 security issues, including 3 critical. BOX blocked 47 attempted malicious connections from our test malware samples. The parental controls allow per-device internet scheduling and content filtering. Performance impact on our gigabit connection was just 2ms additional latency. The mobile app provides real-time dashboards of network activity, threat events, and device security scores. Bitdefender BOX 2nd Generation handles up to 200 devices.