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Part I: Today’s Technology > Increasing Your Security: Fingerprint Readers and ...

Chapter 8. Increasing Your Security: Fingerprint Readers and Facial Recognition

One of the issues faced when dealing with an ever-increasing number of personal computing devices, and software applications on those devices, is security. When we access an application-or an online service, we want to ensure that the system knows who we are and that there is no chance of others stealing our identity or our data. Although there is no such thing as absolute security, we can apply some techniques to safeguard our security and our privacy. These techniques typically fall into access control, authentication, and encryption. The username and password has been the mainstay for authentication, but for sensitive applications, it can be insufficient as the only security mechanism.

Recent techniques for improved authentication include what is known as biometrics. These offerings support the recognition of a variety of human physical attributes such as voice recognition, facial recognition, fingerprinting, hand geometry, and iris recognition. As we conduct more and more of our personal and business time online, these improved authentication offerings can help us feel more secure about using these applications and services and conducting electronic transactions.


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