What is keystroke biometrics?

From Antispoofing Wiki

Keystroke biometrics is a subset of biometric science, which focuses on keyboard typing dynamics.

Keystroke biometrics are used to analyze how an individual types on a keyboard. This modality can be used as an additional protection layer as it’s cheap and highly unintrusive.

The system creates an authentication template by examining how a user types a sample text. During the procedure, it will register such characteristics as tempo, cadence, and so on.

As a result, it can identify a user’s keystroke manner with a surgical precision — spoofing such a system would be useless. At the same time, it can be prone to a higher False Reject Rate (FRR) as typing can change due to physical fatigue, intoxication, emotional state, etc.

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