REPORT ABUSIVE REPLY
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Message Subject
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Your computer's hard drive may be listening to you - and recording everything
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Poster Handle
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Anonymous Coward |
Post Content
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The computers' hard drive can be used as a microphone, allowing intruders to listen to the conversations between people around the device. To demonstrate how to turn a computer hard drive into a microphone, Connor Bolton and his colleagues at the University of Michigan, USA, used the feedback system that helps position the read head above the magnetic disk. When the read head is struck by sound waves, the mechanical vibrations interfere with the voltage signal produced by the drive position sensors. By monitoring this signal, Bolton was able to make high quality recordings of people talking near the computer. According to the team, malicious software can use this technique to record audio and then secretly send it to a remote site, invading a home or office without having to go in there to plant a microphone spy. [ link to spqr.eecs.umich.edu (secure)] Quoting: marcomartim so you mean a hard drive in a sealed computer case with fans blowing in it can record a regular level conversation within x feet of the computer? gee I wish some of my good quality recording microphones were that sensitive... LOL. Quoting: rosicrucian1 The last baby monitor I bought was so sensitive it was unreal. Hear everything in the whole house with it in the backroom and door closed lol. Quoting: Anonymous Coward 77047423 That is a high definition microphone with an amplifier. Not an HDD platter. The tin foil runs deep here. Quoting: Anonymous Coward 77316176 The value of this site is based on the price of the aluminum ie tin foil.
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