They are researching or starting to implement behavioral biometrics, a field of study that seeks to identify unique patterns in the way people perform various activities, such as the way a person types or swipes the screen, or even how she walks while she holds her smartphone. Security experts say such behavior is very difficult to copy, especially when several metrics are combined.
Crunching data on multiple behavioral variables can be a challenge, particularly if analysis occurs on a user's mobile device, which has limited computing power. Deepak Chandra, a Google technical program lead, is addressing that problem in Project Abacus,an effort to determine whether a mobile device could analyze multiple types of behavioral data.
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