If attackers intent on data theft can tap into an electrical socket near a computer or if they can draw a bead on the machine with a laser, they can steal whatever is being typed into it.
How to execute these attacks will be demonstrated at the Black Hat USA 2009 security conference in Las Vegas later this month by Andrea Barisani and Daniele Bianco, a pair of researchers for network security consultancy Inverse Path.
“The only thing you need for successful attacks are either the electrical grid or a distant line of sight, no expensive piece of equipment is required,” Barisani and Bianco say in a paper describing the hacks.
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