As a DBA, the unauthorised copying of any data under my control would be deeply embarrassing. But that wasn't your question!

My first thoughts were the same as Adam's. But then I started thinking about practical uses of stolen data. Credit Card data can be used instantly for financial gain, with very little chance of being caught.

What would I do with stolen biometric data? I suppose I could try and sell it, but what would the buyer do with it? Break into someone's garage? You have the biometric data, but that doesn't allow you to circumvent the fingerprint scanner on bolted to the wall. You would have to access the main computer which processes the scans. Which means you would have to break into the house first....

And at airports and banks? What possible use is a USB stick with stolen biometric data, when the security guard tells you to look into the iris scanner? In theory latex fingerprints and contact lenses can be made from biometric data, but this is hardly within the realms of most criminals.