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Beating facial recognition authentication software

CNET editor Dong Ngo published this article about defeating (with a photograph!) the Lenovo Veriface III authentication software on a Lenovo Y430 running Windows Vista. The Vietnamese Internetwork Security Center BKIS performed the demonstration with a specially treated photograph of Dong Ngo taken during a Skype video chat. BKIS showed that the same technique can be used to defeat the facial recognition software on two laptops from Asus and Toshiba, according to Dong Ngo.

According to BKIS, the photo does not have to be of high quality but DOES have to be processed in a very particular (and undisclosed) way to “enhance certain key points of the face and adjust contrast level to match the ‘expectation’ of the face recognition algorithm.”

-Bill at Cheshire Cat Photo™

You can view higher-resolution photos (*generally* 7-30 megabytes, compressed) at the Cheshire Cat Photo™ Pro Gallery on Shutterfly™, where you can also order prints and gifts decorated with the photos of your choice from the gallery. Apparel and other gifts decorated with some of our most popular photos can be ordered from the Cheshire Cat Photo™ Store on CafePress®. Both Shutterfly™ and CafePress® ship to most international locations worldwide! If you don’t see what you want or would like to receive an email when new photos are up on the site, send us an email at

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