eUICC (Embedded Universal Integrated Circuit Card)

Also known as: Embedded UICC

The eUICC is a secure element, embedded or removable, whose profile contents can be provisioned and managed remotely over the air rather than physically swapped. Standardised by GSMA (SGP.21/22 for consumer, SGP.01/02 for M2M), it hosts one or more operator profiles and enforces profile isolation, making it the hardware root of trust for eSIM and iSIM deployments.

Categories: Identity and SubscriberProtocols and StandardsOperations and Business

eUICC in context

Subscriber identifiers (IMSI, SUPI, MSISDN, IMEI) are the anchor for authentication, charging, lawful interception and fraud analytics. Any protocol or interface that leaks a permanent identifier is treated as a serious privacy defect, which is why 5G introduced SUCI concealment on the air interface.

Telecom security is written into standards from 3GPP, GSMA, ETSI, IETF and ITU-T. Understanding which body owns which specification, and how the specs interlock (for example 3GPP TS 33.501 with GSMA FS.34 for 5G SBA security), is essential for both design and audit work.

To place eUICC in the wider telecom-security picture, review eSIM (Embedded SIM, eUICC), RSP, SM-DP+, SECA, IP and SAS.

Related terms

Equipment

SIM, eSIM and provisioning (UICC, eUICC, SM-DP+, OTA)

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