See "Defend Yourself Against Identity Theft" in the "Did You Know..." section of Webopedia.
See also "How Biometrics Security Works" in the "Did You Know..." section of Webopedia.
Also see "How Fingerprint Scanners Work" in the "Did You Know..." section of Webopedia.

Biometric Consortium 
Extensive collection of information pertaining to the research, development, testing, evaulation, and application of biometric-based personal identification/verification technology. The Biometric Consortium serves as the U.S. Government's focal point for this technology.

Biometrics Catalog
A U.S. Government-sponsored database of information about biometric technologies including research and evaluation reports, news articles, vendors and consultants, government documents and legislative text.

Webopedia's "Did You Know...?" Section
Use this Webopedia knowledge section for an in-depth overview of specific technologies and occurrences in the areas of Computer Science, The Internet, and Computer Hardware and Software.