Key Stroke Dynamics-Based Security Schemes
Keystroke Dynamics Security Quiz
Test your knowledge on keystroke dynamics-based security schemes! This quiz consists of 10 multiple-choice questions designed to assess your understanding of the non-conventional features used in this innovative field.
- Understand key terms like dwell time and error rates
- Explore concepts of user authentication
- Enhance your knowledge base in cybersecurity
Which one of the following is example of non-conventional features:
Flight time
Typing speed
Pressure
Latency between successive keystrokes
Dwell time
Error rate
The dwell time is:
Time between releasing a key and pressing the next one
Time between pressing a key and releasing it
The time duration between the press of the first and the third key
Is used to acquire overall correctness:
Equal error rate (EER)
False acceptance rate (FAR)
False rejection rate (FRR)
Keystroke dynamics does not need any additional hardware for evaluation:
True
False
The elapsed time between the press and release of two successive keys:
Press-Press
Release-release
Release-press
Press-release
To calculate Release-press (FTRP) ,we use:
Н𝑇(𝑟𝑝)=𝑃2 −𝑅1
Н𝑇(𝑟𝑝)=𝑃1 −𝑅2
Н𝑇(𝑝𝑟)=𝑅2 −𝑃1
Occurs when the later key is released before the former key is released:
Word-per-minute (WPM)
Negative up-down (Neg-UD)
Negative up-up (Neg-UU)
Neg-UU occurs if there exists Neg-UD, but it is to be noted that Neg-UU need not occur if Neg-UD occurs
True
False
In which phase of "keystroke dynamics for authentication" the user is prompted to type a predefined phrase or sentence several times. The keystrokes and timing data from each typing session are captured and stored in a database as a reference:
Feature extraction
Template creation
Feature extraction and comparison
Enrollment
EER is also known as crossover error rate (CER)
True
False
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