White Paper

Zero Trust at Scale

Zero Trust at Scale

Zero Trust at Scale

Pages 13 Pages

The Cisco white paper details how the company implemented Zero Trust at scale to secure 100,000+ users and 170,000+ devices in under five months. It moved away from perimeter-based VPN models to a borderless framework using Duo Beyond, validating user and device trust continuously. Key elements include multi-factor authentication, device health checks, certificate-based identity, and VPN-free access via Duo Network Gateway. The initiative improved security, user experience, and operational efficiency, with over 5.7M monthly device health checks and less than 1% support calls during rollout.

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