ATIS issues Zero Trust 5G framework

Zero Trust is the idea that a network should keep checking every user, device, and software component instead of trusting anything by default. On April 13, the Alliance for Telecommunications Industry Solutions said it had published a new report that applies that model to fifth-generation mobile networks through policy controls. (atis.org) The report is called *5G Policy Management for Zero Trust*, and ATIS said its Technology and Operations Council produced it for mobile operators running fifth-generation and cloud-native systems. ATIS said the paper focuses on policy-driven security, meaning operators set rules that decide who or what gets access, under what conditions, and for how long. (atis.org) ATIS said the paper includes governance guidance, policy templates, and technical recommendations for identity, access, telemetry, and enforcement across multi-vendor networks. The group said the goal is to turn Zero Trust from a general security principle into operating procedures carriers can actually deploy. (atis.org) Fifth-generation networks are harder to lock down with a single perimeter because they spread functions across software, cloud platforms, radio gear, and outside suppliers. ATIS said operators now face “increasing scale, legacy coexistence, and multi-vendor complexity” as they try to secure those systems. (atis.org) The work also extends a longer ATIS push to map Zero Trust onto telecom infrastructure, not just enterprise information-technology systems. In 2023, ATIS published *Enhanced Zero Trust and 5G*, which gave standards bodies recommendations for building Zero Trust Architecture into fifth-generation networks. (atis.org) ATIS expanded that effort in 2025 with *Enhanced 5G and Zero Trust Cloud and Operational Security Aspects*, a paper on how carriers can apply Zero Trust in the cloud environments that host fifth-generation services. That report broke recommendations out by standards bodies, vendors, hosting providers, and security operations teams. (atis.org) The federal backdrop is moving in the same direction. The National Institute of Standards and Technology said it began work in 2024 with O-RAN Alliance and ATIS to incorporate Zero Trust Architecture into emerging fifth-generation and sixth-generation wireless standards, building on its 2020 Zero Trust Architecture publication. (nist.gov) ATIS said the new report is also meant to help carriers prepare for sixth-generation evolution while they are still modernizing fifth-generation networks. The immediate message is narrower: mobile operators need security rules that can follow traffic, software, and users across a network that no longer sits behind one wall. (atis.org)