• Potential issues with false rejection rate
• Not perfect
Biometric ID
• Fingerprints
• Hand geometry
• Voice recognition
• Retina pattern
• Requires focused beam of light
• Humans are wary of exposing their eyes to a retina scan device
• Iris pattern
Biometric ID Drawbacks
Some people find some kinds intrusive
Some devices are expensive
Can be a single point of failure
Need for speed in processing
Establishing sample sizes and thresholds can be challenging
False negatives and false positives can occur
• False positives usually have more severe consequences
• Cannot decrease one without increasing the other