GSM Security And Encryption (download seminars report)

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This article is presented by:
Emmanuel Gadaix
Asia April 2001

GSM and 3G Security

Agenda

Brief introduction to GSM networking
Cryptography issues
Terminal and SIM
SS7 Signalling
GSM Data
Value-Added Services
Third generation
Lawful interception


GSM: Introduction

GSM is the most widely used cellular standard
Over 600 million users, mostly in Europe and Asia
Limited coverage and support in USA
Based on TDMA radio access and PCM trunking
Use SS7 signalling with mobile-specific extensions
Provides authentication and encryption capabilities
Today’s networks are 2G evolving to 2.5G
Third generation (3G) and future (4G)

Low-tech Fraud

Call forwarding to premium rate numbers
Bogus registration details
Roaming fraud
Terminal theft
Multiple forwarding, conference calls

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