In one test, an iris scanner from Iridian, of Moorestown, N.

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Iridian uses a 512-byte code to verify the identity of anyone seeking access to restricted areas and its technology has never allowed access to an unauthorized person, according to the company.

CNN: Comdex: With biometrics, you're the password

Iridian Chief Executive Officer and President William Voltman agrees.

CNN: Comdex: With biometrics, you're the password

Though Voltman believes that privacy issues are crucial, he does point out that because most authentication is done by their customers, rather than Iridian itself, the company has little control over the issue.

CNN: Comdex: With biometrics, you're the password