Here’s what you need to know about the Apple TouchID “hack”

Gigaom

Touch-what?

You know, the fingerprint sensor built into the Home button on the new iPhone(s aapl) 5s. It’s for unlocking the handset and buying stuff through iTunes and the App Store.

I thought the fingerprint was stored in some secure chip. How’d it get hacked?

It is, and this isn’t a hardcore technological hack so much as a good old-fashioned fake fingerprint technique. You find the iPhone owner’s print somewhere (the device itself may carry a few on its glossy surfaces), put some powder on it to make it more visible, then photograph or scan it at high resolution. Clean up the reversed image, print it at high resolution using thick ink, then use that to make a thin latex dummy, which you can put on your finger and use to unlock the iPhone.

I thought TouchID was supposed to be smarter than that.

Well it was, and I admit…

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