Look At That Backend

Presented at ToorCon San Diego 13 (2011), Oct. 9, 2011, 4 p.m. (20 minutes)

This talk is about the backend side of the GSM network and security behind it. Ever wonder what the backend of a GSM network looked like, or how it really all works? How about some of the security behind it, and what myths do people believe when it comes to cellular technologies? Come gain a deeper understanding on how the network works and what is being done to better the security of it.


  • Drew Porter / RedShift as Drew Porter
    I am a college student who has always had a love for wireless and phone technologies and the networks behind them. For about a year now I have spent most of my research time dealing with the GSM backend network and how it works. After spending no more than a day reading the GSM spec I started to notice a few things, a few areas in which the network could be broken or manipulated. I then started to look at how one could fix this and came to the conclusion that a new system that fits in the GSM spec should be made to fix all of the problems. This new system should also be open source and have input form others in how it should be made better, and OpenGSM was born. I currently study Network Security at UAT in AZ, I spend most of my time researching the backend networks of cellular companies and am always trying to find new ways to manipulate it.

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