Table 8 Time taken for legitimate and adversarial users to answer different types of questions
From: Evaluating smartphone-based dynamic security questions for fallback authentication: a field study
Legitimate | Strong | Naive | |||||||
|---|---|---|---|---|---|---|---|---|---|
Mean | Median | SD | Mean | Median | SD | Mean | Median | SD | |
Activity | 18.11 | 13 | 17.15 | 13.96 | 9 | 15.47 | 8.45 | 6 | 9.95 |
Battery | 14.15 | 9 | 21.44 | 10.42 | 7 | 11.47 | 7.00 | 4 | 7.41 |
App | 18.70 | 14 | 14.43 | 18.68 | 14 | 17.16 | 14.75 | 12 | 11.00 |
Music | 20.55 | 13 | 28.88 | 25.79 | 17 | 31.77 | 13.73 | 9 | 21.96 |
Call | 15.51 | 11 | 13.20 | 7.53 | 5 | 9.52 | 6.96 | 5 | 7.26 |
SMS | 17.99 | 12 | 17.88 | 7.88 | 5 | 9.91 | 7.34 | 5 | 7.57 |
Location | 28.56 | 23 | 19.05 | 18.79 | 15 | 12.98 | 14.94 | 11 | 11.05 |