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accelerometer

Everybody Calm Down

Study Uses iPhone Accelerometers to “Read” Nearby Keystrokes

by Max Eddy | 12:00 pm, October 22nd

A team of researchers from Georgia Tech’s School of Computer Science has announced that they’ve found a way to capture keyboard information through the accelerometer of a nearby iPhone. According to their findings, the technique was accurate 80% of the time. This isn’t the first time an iPhone’s accelerometer has been used to capture keystrokes, but it is the first time a keyboard has been captured through a neighboring phone.

Instead of directly monitoring keystrokes, like a keylogger installed on a target’s computer, this method senses the vibrations of each keystroke via the iPhone’s accelerometer. To accurately discern what is being typed, the software compares pairs of keystrokes. It sorts these based on which side of the keyboard the stroke occurred, and how close the keyboard stokes were to each other. This might not seem useful, but when the software compares this data against a dictionary, the program is able to glean the typed words with alarming accuracy.

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HACK THE PLANET!!!

Researchers Keylog Smartphone Using Its Accelerometer

by Eric Limer | 3:24 pm, August 17th

Keylogging has always been something you want to avoid, considering it can give hackers direct, complete unencrypted passwords and login data. It’s pretty easy to keylog a laptop or desktop since a keyboard is just a series of buttons, each devoted to a single letter. On a smartphone, however, that’s not the case. Think that’ll protect you from keylogging? It won’t.

Researchers Hao Chen and Lian Cai at University of California Davis, have found a way to keylog a smartphone not from physical key strokes, but from accelerometer movements. As it turns out, each key press has its own distinct pitch, roll and yaw, meaning that if you can identify what those are on a specific phone with a specific layout, you can pull keystroke data from accelerometer history. That’s what Hao and Lian are coming up on, but they haven’t quite made it yet.

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This Exists

Yet Another Way in Which Your Smart Phone Will Betray You

by Susana Polo | 11:00 am, March 12th

KDDI Research and Development (which is a subsidiary of KDDI, one of Japan’s largest phone companies) has developed a phone that lets your manager know whether you are slacking off. Not by listening in, or by watching with the phone’s camera, but by using software that “learns” your daily routine from the phone’s accelerometer and then reports on when you deviate from the norm.

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