We are a little tardy with this, but it is worth bookmarking in time for the upcoming RCR Wireless report and webinar on smart meters (October 19; sign-up here!), and memorialising for future IoT articles and reports. The GSMA’s new IoT SAFE standard, launched back in 2021, seeks to create some kind of order out of the chaos of IoT security. It enables device makers and service providers to use the cellular SIM as a standardised hardware-based ‘root-of-trust’ to authenticate and authorise IoT devices and protect IoT data.
A root-of-trust, in the context of digital security, implies a common technical component that can be relied upon to perform critical security functions. The National Institute of Standards and Technology (NIST) defines it as hardware, firmware, or software. The GSMA, representing mobile operators selling mobile comms, has placed this root-of-trust inside the trusty subscriber identity module (SIM), the integrated circuit that stores an international mobile subscriber identity (IMSI) number and related authentication keys, in cellular IoT devices.
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