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CRT Eavesdropping: Optical Tempest

Posted by michael on from the tinfoil-house dept.

PortalCell writes "LED status monitors may potentially leak data in a few applications, but worse: Markus Kuhn has now revealed (pdf) that it's possible to read your monitor indirectly just by observing how the blue flicker lights up the room! Forget taping up LEDs or living in a metal box - now you might have to do without sunlight to be secure!" Hopefully people will also stop submitting the LED story now.

2 of 219 comments (clear)

  1. Yet another advantage of Linux... by cmckay · · Score: 4, Funny

    From the end of page 14:
    "Rooms where a significant amount of the ambient light comes from displayed sensitive information should be shielded appropriately, for example by avoiding Windows."

    Ha! Take that, Microsoft!
    --Cam

  2. Security to do list by appleprophet · · Score: 5, Funny

    1) Remove Windows from computer
    2) Remove windows from computer room