3GPP Explainer

3GPP Security Features

Security is a critical aspect of 3GPP networks, ensuring the protection of user data, network integrity, and privacy. This page provides an overview of key security mechanisms implemented in 3GPP standards [1][2].

3GPP Security Features
Key security mechanisms in 3GPP networks

Evolution of Security in 3GPP
Key security enhancements from 4G to 5G
  • Improved key hierarchy and derivation procedures
  • Enhanced subscriber privacy protection
  • Introduction of the Security Edge Protection Proxy (SEPP) for inter-operator security
  • Support for end-to-end encryption in the service-based architecture
  • Improved security for non-3GPP access
References
Sources used in this content
  1. TS 23.501 - System Architecture for the 5G System. Accessed on 2025-01-23.
  2. TS 38.300 - NR and NG-RAN Overall Description. Accessed on 2025-01-23.
  3. TS 23.401 - General Packet Radio Service (GPRS) enhancements for Evolved Universal Terrestrial Radio Access Network (E-UTRAN) access. Accessed on 2025-01-23.
  4. 3GPP - About 3GPP Home. Accessed on 2025-01-23.