This document provides a technical background on how the GPRS Tunnelling Protocol (GTP) is used. It outlines potential attacks and exploitation possibilities and assesses the associated risk. It then presents countermeasures for Operators to protect their networks against GTP-related attacks. It needs to be read in conjunction with IR.88.

Audience: Technical security practitioner

Resource technology specifics: Core network

Resource type: Guideline

Resource enforcement: Voluntary

Resource certification type: Self-assessment