There are clear benefits of 5G SIM capabilities to protect the most prominent personal data involved in mobile communications, according to the Trusted Connectivity Alliance.

Addressing privacy risks

The IMSI, known as a Subscription Permanent Identifier (SUPI) in 5G, is the unique identifier allocated to an individual SIM by an MNO. Despite representing highly personal information, the IMSI is exposed to significant security vulnerabilities as it is sent unencrypted over-the-air in 2G, 3G and 4G technologies.