Wi-Fi’s Got Your Number: New Tech Tracks You Without a Phone!
Italian researchers have turned Wi-Fi signals into undercover agents. The new biometric identifier, WhoFi, uses Wi-Fi signal alterations to re-identify people—all without a smartphone in sight. Move over, cameras; Wi-Fi is watching, even through walls. Who needs a spy thriller when your router’s got your back?

Hot Take:
Are you tired of being tracked by your phone? Fear not, because now even your Wi-Fi can snitch on you! Thanks to some clever Italians, the way your body messes with Wi-Fi signals is now a viable way to identify you. It’s like your shadow betraying you, but digitally and more invasive. Who needs Big Brother when you have Big Wi-Fi?
Key Points:
– Italian researchers have developed a biometric identifier based on Wi-Fi signal interference by the human body.
– This identifier can track a person across different Wi-Fi networks without needing a phone.
– Wi-Fi signals have been used for sensing applications such as seeing through walls and detecting falls.
– The method, called “WhoFi,” is a new approach to deep person re-identification via Wi-Fi signals.
– Claims of accuracy reach up to 95.5% when using a specific deep neural network architecture.