Reading data from cables without touching the cables? Anyone know the term for this?

This is a discussion on Reading data from cables without touching the cables? Anyone know the term for this? within the General Discussions forums, part of the Community Boards category; There was an article on Slashdot a while ago, and I can't seem to find it with a search engine. ...

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    Reading data from cables without touching the cables? Anyone know the term for this?

    There was an article on Slashdot a while ago, and I can't seem to find it with a search engine. Some researchers were able to intercept the data traveling over a cable without touching any of it - they essentially measured the signals transmitted as a side effect from the cable. I need it for part of a homework assignment but I can't seem to find anything about it. Any one know the article I'm talking about or any other technical term I can use to find this?

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    Well, since a moving electrical current produces a magnetic field, and the two effectively produce electromagnetic waves, then I guess the most likely answer would be an EMF signal. Just a guess, though.

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    Good call - the winning combination turned out to be "Electromagnetic Eavesdropping". Turns out it's a lot older than I thought - some of the declassified NSA papers have stories going back to the '50's!

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    Inductive pickups are what you need.
    Until you can build a working general purpose reprogrammable computer out of basic components from radio shack, you are not fit to call yourself a programmer in my presence. This is cwhizard, signing off.

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