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Microsoft Pen Authentication: why?

Microsoft files a patent for secure user authentication using a stylus, but does the world need yet more biometric security?

Microsoft is looking for a patent to cover the ‘system and method for authentication with a computer stylus.’ In other words, authenticating a user by what and how they draw on the screen. This could make sense considering that so many devices now have touch-enabled screens. But do we really need yet another biometric authentication technology?

This still leaves the question of why we need such a thing, when the world is already full of two-factor tokens, codes and biometric tech such as fingerprint or iris scanning?

 

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