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Submission + - Ask when rather than whether to require authentication (

Gunkerty Jeb writes: The findings from a recent study carried out by Microsoft Research and the University of South Carolina suggest that we should be asking ourselves when to require authentication rather than whether to require authentication.

The research puts forth the idea of tailoring authentication requirements on mobile devices, by application or otherwise, so that users are only prompted for a password or other authentication method when it's necessary. In this way, the study’s authors believe, users would be required to authenticate themselves less often, therefore, lowering the barrier of entry for those who currently use no authentication methods at all.

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Ask when rather than whether to require authentication

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Make it right before you make it faster.