Heathrow Tests Biometric ID
Heathrow airport is testing an iris scan biometric machine to identify passengers at customs.
I’ve written previously about biometrics: when they work and when they fail:
Biometrics are powerful and useful, but they are not keys. They are useful in situations where there is a trusted path from the reader to the verifier; in those cases all you need is a unique identifier. They are not useful when you need the characteristics of a key: secrecy, randomness, the ability to update or destroy. Biometrics are unique identifiers, but they are not secrets.
The system under trial at Heathrow is a good use of biometrics. There’s a trusted path from the person through the reader to the verifier; attempts to use fake eyeballs will be immediately obvious and suspicious. The verifier is being asked to match a biometric with a specific reference, and not to figure out who the person is from his or her biometric. There’s no need for secrecy or randomness; it’s not being used as a key. And it has the potential to really speed up customs lines.
Para Noid • October 26, 2006 1:29 PM
I may have an extreme view, but I object in principle (as a right to privacy issue) to gathering and storing any biometrics, unless of course one is convicted of a serious crime. And even then, I’d like to see protections that the data is stored securely and not released unless there is a strong need and cause by the FBI or police. The potential for abuse is too great. Personal data is already too pervasive and persistent.
It would be a pretty nightmarish world if the government sells or allows access to private corporations of biometric information. I really don’t care to be identified by a face-recognition system every time I walk down the street or into a store. Unfortunately, that may not be very far away if things keep going as they are.