Arm is introducing a groundbreaking technology that enables SIM-level identity authentication for cellular IoT, offering cost-effective solutions that will benefit billions of devices. The Arm® Kigen™ family brings SIM functionality directly into IoT system-on-a-chip (SoC) designs, allowing OEMs, mobile network operators (MNOs), and IoT platforms to remotely configure and manage devices with greater flexibility.
This advancement in SIM technology has received widespread industry support. Arm envisions a future where there will be 1 trillion connected devices by 2035, each requiring a secure digital identity. This ensures trust between stakeholders—such as service providers being able to authenticate devices, deliver value-added services, and push security updates when necessary.
Traditionally, SIM cards have provided a reliable and trusted method of identity authentication for mobile devices. However, once a traditional SIM is installed, its settings cannot be changed without physical access, making it impractical for the massive number of devices expected in smart cities, rural areas, and industrial environments undergoing digital transformation.
Beyond the issue of physical access, integrating this technology into smaller IoT devices also presents challenges in terms of cost and size. To support the growing need for transparent and interoperable device identity management, simplifying the technology and improving cost efficiency are essential. Advances in embedded SIM (eSIM) and more recently integrated SIM (iSIM) are key to enabling secure identity authentication for cellular IoT devices.
Today, Arm is leveraging new technologies compliant with the GSMA embedded SIM specification to offer secure identity authentication for cellular IoT applications. Combined with advanced on-chip security features like Arm® CryptoIsland, microcontroller units (MCUs), and cellular modems, SIM authentication can now be embedded within a single IoT SoC, significantly lowering device costs.
Arm Kigen OS provides a scalable, lightweight, and GSMA-compliant software stack that seamlessly integrates SIM functionality into IoT SoC designs. The Kigen Remote Configuration Server solution offers a modular approach, making it easy to integrate with MNOs and IoT platforms.
By 2025, up to 4.4 billion IoT devices are projected to connect to the cellular IoT (Machina, 2017). This solution allows for secure SIM authentication at a lower cost while supporting more flexible deployment options. It’s a critical step for operators, chipmakers, and module vendors to recognize the full potential of cellular IoT, and it has already gained strong backing from major players such as BT, SoftBank, and Sprint.
Secure identity authentication is a core principle of the Arm Platform Security Architecture (PSA), the first industry-wide framework launched in late 2017 to build secure connected devices. PSA is a robust system architecture that spans both hardware and firmware, embedding essential security principles into a range of system requirements and interface specifications. The Kigen product line aligns with these PSA standards, ensuring safety and immutable device identification.
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