Botnets and their masters can communicate with each other by calling into the same VoIP conference call and swapping data using touch tones, researchers demonstrated at Defcon. This gives the botmasters, whose top goals include remaining anonymous, the ability to issue orders from random payphones and disposable wireless handsets, said researchers Itzik Kotler and Iftach […]

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In the era of WikiLeaks, it’s no wonder that business executives are feeling less secure about their organizations’ data. A recent study by Ernst & Young found that 60% of those polled perceive increased risk from the use of social networking, cloud computing and personal mobile devices at work. “Organizations are operating in a world […]

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