From: Evaluating smartphone-based dynamic security questions for fallback authentication: a field study
Question type | Question | Retrieval type |
---|---|---|
Call | Who called you on <time> ? Who did you call on <time> ? | Recall |
SMS | Who SMS messaged you on <time> ? Who did you SMS message on <time> ? | Recall |
Location | Where were you on <time> ? | Recall |
Application | What are the applications you used in the last 24 h? | Recognize |
Music | What are the music you listened to in the last 24 h? | Recognize |
Activity | What activities did you perform in the last 24 h and when? | Recognize and recall |
Battery | When did you charge your phone in the last 24 h and how was it charged? | Recognize and recall |