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Unformatted text preview: December 30, 2009 www.theglobeandmail.com retrieved December 29, 2009 Guide to breaking cell phone security revealed By Matt Moore The Associated Press Security expert says publishing cracked encryption meant to push companies to improve security A German security expert has raised the ire of the cell phone industry after he and a group of researchers posted online a how-to guide for cracking the encryption that keeps the calls of GSM- standard cell phone users secret. Karsten Nohl, 28, told The Associated Press this week that he, working with others online and around the world, created a codebook showing how to get past the GSM encryption [http://reflextor.com/trac/a51] used to keep conversations on more than 3 billion mobile phones safe from prying ears. Nohl said the purpose was to push companies to improve security. The collaborative effort put the information online through file-sharing sites. "The message is to have better security, not we want to break you," he said of the move. "The goal is better security. If we created more demand for more security, if any of the network operators could use this as a marketing feature ... that would be the best possible outcome." GSM, the leading cell phone technology around the world, is used by several wireless carriers in the U.S., with the largest being AT&T Inc. and T-Mobile USA. Verizon Wireless and Sprint Nextel Corp. U....
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