A Survey of Keystroke Dynamics Biometrics

Table 1

Overview of different authentication approaches.

Approach	Advantage	Disadvantage	Example
Knowledge	Effortless; High acceptance	Forgotten; Shoulder spoofing	Password; PIN
Token	Cheap; Simple deployment	Lost and theft	Smart card; Minidevices
Biometrics	Deter sharing; Unique; Unforgettable	Cost; Invasive	Fingerprint; Voice; Keystroke