Screenshot
Using
nothing more than a smartphone resting next to a laptop, researchers at
MIT and the Georgia Institute of Technology have developed a new
technique for logging your keystrokes based on sound and vibration.
In the paper on the project,
they describe that a stationary smartphone is capable enough to
translate typing sounds into actual text by estimating where on a
keyboard the stroke landed based on its volume and force.
By "teaching" the phone a dictionary of words based on what they
sound like typed out, they were able to get accurate text in return.
Initially the accuracy was quite good, but as they added more and more
words to this dictionary, it became less accurate in its interpretation.
It's a pretty strong reminder that our devices are getting more and
more versatile, enabling all kinds of new applications, good and bad
alike. A smartphone is one of the most innocuous devices we see every
day, and this is an unpleasant (but healthy) reminder to be mindful of
your security as our technology becomes more and more developed.
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