Table 1 Keystroke dynamics databases (physical keyboards)

[28]

51

Fixed password

9.6% EER

[33]

100

Fixed password

11.8% EER

[46]

39

Many

0.75% FAR, 3.93% FRR

[31]

117

User’s password

11.83% EER

[3]

30

User’s password

1.6% EER

[38]

12

Fixed PIN

2.0% EER

[37]

63

Personal data

2.3% EER

[10]

32

Fixed PINs

12.8% EER

[10]

30

Fixed text

17.9% EER