There are suitable products available for use in a wide range of different networks and they include all standard security features.
For companies with 10 to 15 users we offer the O series.

O-Serie SoHo / RoBo     GPO 75a GPO 75 GPO 125a GPO 125 Performance             Throughput: Firewall (Mbps)   200 200   200 200 Throughput: VPN-IPSec (Mbps)   50 50   60 60 Concurrent Sessions   50 000 50 000   130 000 130 000 The essentials in brief             User license   5 users unlimited   10 users unlimited               LAN (accumulated)   3 4   3 4