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Byline: Benjamin Sutherland (With Karla Bruning)
Thieves have been stealing identities for a long time, but the Internet has no doubt accelerated the trend. A big reason is that search technology makes it easier to pull together information on the Web.
In such a leaky environment, technology ought to take a more active role in safeguarding our personal data. That's the object of work being done at Carnegie Mellon University in Pittsburgh, Pennsylvania. Latanya Sweeney, a software engineer at the university, has developed a computer program called Identity Angel that goes on the Internet and looks for the "holy trinity"--the three key data points needed to steal a person's identity. Two of the three data points--name and address, and date of birth--are often public record. The third--personal identity numbers like the Social Security number in the United States--are in wide circulation among credit-card companies, banks and other business as a means of verifying identity and checking credit.
On July 23, Sweeney kicked off Identity Angel's one-year trial run. The program is now working its way through servers, scouring online documents. When Identity Angel finds a holy trinity, it will send a warning e-mail to the ...