Tangible 2FA – An In-the-Wild Investigation of User-Defined Tangibles for Two-Factor...
summary
Researchers run a 226-participant online design survey to choose three prototypes — a wallet-fit credit-card shape, a keychain pendant and a small cube — then deploy them in a week-long in-the-wild study (N=15) with push-triggered authentications and post-interaction questionnaires. Users find tangibles memorable, fun and perceived as more secure, but report forgetting standalone items, slipping on phone screens, and portability concerns; prototypes are passive, battery-free, and only simulated security.
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chapters (8)
- 0:00Tangible 2FA introduction
- 1:51Traditional 2FA problems
- 2:343D-printed tangibles for auth
- 4:19User preferences in survey
- 6:46In-the-wild usability study
- 8:34Security perceptions feedback
- 9:59Daily use challenges
- 11:02Conclusion and future work
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