With 5G telecommunication, the 3GPP standard has introduced a new feature for subscriber identity protection on the SIM meant to address privacy problems known as IMSI catching attacks. This IMSI encryption feature is called the SUCI.
In this whitepaper, we explain in more details:
New standards
Why this feature was introduced in 3GPP 5G standards
IMSI
Why IMSI catchers present a growing threat to subscriber privacy and how they work
Security
The different options for MNOs to implement IMSI encryption
Download the whitepaper
Learn more about IMSI encryption