Orome1 writes: "Mobile communications operating over radio systems such as GSM, WiMax and DECT are likely to become more heavily targeted as Software Defined Radio (SDR) technology becomes more sophisticated, cheaper and more widely available. Those attempting to compromise wireless communications systems in the past have used expensive equipment coupled with advanced signal analysis skills. In contrast, SDR devices typically use a standard PC to capture and manipulate radio spectrum potentially allowing an attacker to capture and demodulate advanced radio systems which were previously inaccessible to the hacking community. Common barriers to mobile attacks such as frequency hopping and advanced modulation techniques can be quickly overcome using this off-the-shelf hardware and software."
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