We spy, with our bleary eye, a new piece of software that could make it
dramatically easier to steal personal data. The program, known as iSpy,
allows devious voyeurs to remotely identify and read text typed on
touchscreen displays. That, in and of itself, isn't exactly new,
but iSpy takes shoulder surfing to slightly terrifying new areas --
namely, those beyond the "shoulder." Developed by Jan-Michael Frahm and
Fabian Monrose of the UNC-Chapel Hill, this program, like those before
it, takes advantage of the magnified keys found on most touchscreens.
All you'd have to do is point a camera at someone else's screen and iSpy
will automatically record whatever he or she types by stabilizing the
video footage and identifying the enlarged keys. If you're using a
smartphone camera, you'll be able to eavesdrop from up to three meters
away, but if you opt for a more heavy duty DSLR device, you could steal
passwords from up to 60 meters away. The software can also recognize any
words typed into a device, and, according to its architects, can
identify letters with greater than 90 percent accuracy. When used with a
DSLR camera, iSpy can even pick up on reflections of touchscreens in
sunglasses or window panes from up to 12 meters away. To avoid this,
Frahm and Monrose recommend disabling the magnified key function on your
smartphone, or using some sort of screen shield.
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