Imagine walking into a secure building where the door unlocks the moment your hand hovers near it. No keycards, no PINs, no fingerprints. Instead, the system identifies you by the way your palm distorts the surrounding Wi-Fi signal. That is the idea behind a new study from researchers at the Aeronautics Institute of Technology (ITA) in Brazil. Turning Wi-Fi signals into identity data The study explores how Wi-Fi Channel State Information, or CSI, can capture … More →The post Wi-Fi signals may hold the key to touchless access control appeared first on Help Net Security.