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As enterprises increasingly rely on cellular connectivity to power IoT devices and mobile endpoints, securing these connections has emerged as a significant challenge. Traditional approaches like VPNs and firewalls lack the scalability required for the billions of connected devices, resulting in operational inefficiencies, visibility gaps, and elevated security risks. To tackle these issues, Zscaler has unveiled an innovative solution built on Zero Trust principles: Zscaler Cellular. This groundbreaking service enables organizations to secure mobile and IoT traffic effortlessly, while simplifying management and enhancing performance. With Zscaler Cellular, businesses gain robust security, scalable deployment potential, and comprehensive control over the ever-expanding connected landscape.

A game-changing approach to cellular security: Zscaler Cellular

Zscaler Cellular revolutionizes mobile and IoT connectivity by bringing secure, Zero Trust-based connectivity to the cellular environment. Designed for IoT and OT devices that typically operate outside traditional network infrastructures, the solution extends security to mobile “things” previously beyond the reach of enterprise IT teams. Through Zscaler Cellular, these devices can securely route all traffic via Zscaler’s Zero Trust Exchange platform, ensuring reliable two-way connectivity while closing critical security gaps.

At its core, Zscaler Cellular reimagines cellular traffic management and protection. Providing secure connectivity for devices on the move eliminates reliance on outdated tactics like routable IP addresses and backhauling traffic through firewalls—a process prone to inefficiencies, latency, and vulnerabilities. Instead, Zscaler Cellular routes traffic directly to its cloud-based security platform, enabling a streamlined and Zero Trust-driven security model.

Key components of Zscaler Cellular

The Zscaler Cellular solution is powered by two essential elements:

1. Zscaler SIM card: A data-only SIM that securely routes cellular traffic to avoid vulnerabilities associated with traditional methods.
2. Zscaler Cellular Edge: Acting as an intelligent gateway, this component bridges telecom infrastructure with Zscaler’s Zero Trust Exchange platform to provide centralized visibility, agentless connectivity, and seamless security enforcement.

Together, these components eliminate inefficiencies like tromboning and backhauling, ensuring secure and direct traffic flow to the cloud security system for inspection and policy application under unified Zero Trust policies.

How it works

Devices equipped with Zscaler SIM cards seamlessly connect to public 4G and 5G networks. From there, traffic flows to the Zscaler Cellular Edge for inspection, enforcement, and secure routing to Zscaler’s cloud security exchange platform. Through centralized dashboards, administrators can monitor device activity, apply granular controls, and mitigate threats—all with minimal complexity.

The solution’s deployment is flexible, offering three distinct approaches:

• Integration with telecom providers: Available as a service managed by existing telco infrastructures.
• Standalone deployment: Directly provided by Zscaler for end-to-end cellular security control.
• Private cellular environments: Allowing organizations to place the Cellular Edge in private cellular setups, ideal for replacing traditional Wi-Fi ecosystems with high-speed, low-latency 5G networks.

Broad use cases for Zscaler Cellular

Zscaler Cellular is engineered to address diverse industry-specific needs, making it applicable across various IoT and mobile scenarios:

• Securing point-of-sale terminals in retail environments.
• Protecting telemetry systems in logistics.
• Enabling security for connected vehicles and industrial IoT devices.
• Safeguarding critical infrastructures such as energy grids and railway networks.

By combining effortless connectivity with bi-directional protection, the solution effectively bridges the security gap between cellular networks and enterprise systems, redefining secure mobile connectivity for IoT and mobile endpoints.

Redefining the future of cellular security

Until now, achieving unified security across cellular infrastructures has remained a daunting challenge. Zscaler Cellular resolves this challenge by extending Zero Trust functionality to cellular-connected devices in a scalable, cost-efficient manner. By eliminating routable IP addresses, simplifying connectivity, and reducing the attack surface, the solution establishes cellular streams as invisible to attackers while enhancing performance and security worldwide.

Moreover, whether integrated into existing telecom networks or deployed directly by Zscaler, the service securely connects IoT devices, optimizes cellular traffic, and scales effortlessly to meet modern mobile security demands, ushering in a new era of secure mobile connectivity.

about Zscaler Cellular to understand how it empowers enterprises to confidently embrace the connected world.