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Tricking the eye to defeat shoulder surfing attacks

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  • Tricking the eye to defeat shoulder surfing attacks

    Researchers have developed the first application to combat 'shoulder-surfing' of PINS and passwords: a hybrid-image keyboard that appears one way to the close-up user and differently at a distance. The technology blends one image of a keyboard configuration with high spatial frequency and a completely different one with low spatial frequency. Experiments showed it was effective for mobile phones and when video cameras recorded PIN entry, as might happen at an ATM.

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