26C3: GSM hacking made easy
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On Sunday 27th of December at the 26th Chaos Communication Congress (26C3) in Berlin, security researchers published open source instructions for cracking the A5/1 mobile telephony encryption algorithm and for building an IMSI catcher that intercepts mobile phone communication. The Global System for Mobile Communications (GSM) standard for digital mobile phone networks, which is used by around four billion people in 200 countries, is quite insecure, explained cryptography expert Karsten Nohl in front of a large audience of hackers. While this has been known in academic circles since 1994, the evidence now produced leaves "no more room for playing hide and seek" said Nohl.
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