您的鼠标移动可以使您免受身份窃贼的侵害

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Your Mouse Movements could Save You from Identity Thieve 1

It's like a lie detector for your mouse.

Mouse movements have already been catching lies for a while now -- but mostly machine-generated falsehoods. Several years ago, researchers discovered ways to detect robots online based on how quickly they click. In 2014, Google started using a similar feature for the "I am Not a Robot" test. If a mouse moves too quickly and unnaturally when clicking on the box, the clicker is apparently not human.

Now researchers are learning how to use mouse movements to catch humans who are lying. In a study published in the journal *PLOS One* last month, Italian researchers looked at how people move their cursors when they are telling the truth and when they are lying.

This could be helpful considering that identity thieves are always lying when they answer security questions like "what's your favorite band?" or "what city you were born in?" -- details that can easily be gathered in social engineering attacks.

The study gave 32 questions to 40 people, about half of whom were asked to lie with fake information they memorized. Some of the questions were obvious like birth dates, but others needed a bit of thinking to keep the lies going, such as naming their zodiac sign.

Curveball questions had influenced on how liars moved their cursors. They would start moving their mouse all over the place, the researchers found. For people answering truthfully, mouse movements did not change and followed a straight trajectory.