Wi-Fi signals can identify you without a phone
The German study reviews unsecured Wi-Fi networks that can identify and accurately track individuals with up to 100% certainty through invisible radio signals, even without carrying personal devices such as smartphones or smartwatches. The technology relies on analyzing changes in Wi-Fi waves as they pass through or reflect off a person's body, enabling the creation of a unique radio fingerprint for each individual. This method poses a privacy threat, as routers could be used for surveillance and recognizing individuals in public places or homes, raising concerns about the violation of fundamental rights and the right to privacy.
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