CRT Eavesdropping: Optical Tempest 219
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.
Not again... (Score:1, Funny)
Hopefully the people who submit read too (Score:2, Funny)
This article was posted Wednesday. Maybe people will get the clue and read slashdot before they send in submissions and just maybe the editors will do the same as well.
http://slashdot.org/article.pl?sid=02/03/06/122
Yet another advantage of Linux... (Score:4, Funny)
"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
Re:Not again... (Score:1, Funny)
It's madness! Soon it really will be like Blade Runner - my digital camera will be able to go round corners just like the Vespa thingy does, "Left a bit, right a bit, go behind the pillar..."
And that thing about how a butterfly flapping its wing in China affects stuff in the US? You'll be able to photo that from Chicago...
Re:Cover the windows! (Score:3, Funny)
Security to do list (Score:5, Funny)
2) Remove windows from computer room
the blue flash will tell an eavesdropper... (Score:3, Funny)
OMG, Whatever next? (Score:3, Funny)
Dave
Different problem - same fix (Score:3, Funny)
So, I just applied the same fix for this, since my monitor faces a window. There is now a few strips (about 30) of electrical tape covering my monitor and the flicker is gone.
I appologize for any typing errors though. Every fix has a downside