Using infrared LEDs mounted in a hat, the system is capable of fooling facial recognition software into thinking that someone is someone else. It just needs one photo and works 70% of the time. The era of the ghost walkers is upon us.
The gadget used in their attack is not readily distinguishable from a regular ball-cap, and the attack only needs a single photo of the person to be impersonated in order to set up the correct light patterns. It worked with a 70% success rate used in a "white-box" attack (where the classifier is well understood), and they believe they could migrate this to a "black-box" attack (where the classifier's workings are a secret) using a technique called "Particle Swarm Optimization."
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