Circumference 81 quick details Our score: 3.9 out of 5 starsCosts: Begins at $8 per consumer/month (yearly)Key options: Zero-trust community entry. DNA filtering. Machine Posture Verify (DPC). Safety from malware. Automated Wi-Fi safety. Picture: Circumference 81 Perimeter 81 is a cloud-based community safety resolution designed to assist organizations increase safety on company networks. The answer …