| Publisher | Helsinki University of Technology | ||
|---|---|---|---|
| Format | 68.4KB PDF | Date added | 09 Oct 2009 |
| Topics | Telecom Security, Mobile - Wireless Communications, GSM | ||
| Downloads | 228 | ||
Analog cellular phones and networks were designed with minimal security which soon turned out to be insufficient. The GSM system provides solutions to a few important aspects of security: subscriber authentication, subscriber identity confidentiality and confidentiality of voice and data over the radio path. This paper gives an overview of the security features provided in a GSM PLMN and GPRS network. Also the SIM module, which plays an important role in GSM security, is discussed.
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