Security Loophole Allows Attackers to Use Wi-Fi to See Through Walls

University of Waterloo (Canada), 13 Nov 2022, via ACM TechNews; 4 Nov 2022

A drone-powered device developed by researchers at Canada's University of
Waterloo can see through walls by accessing Wi-Fi networks. The Wi-Peep
device can fly close to a building and identify all Wi-Fi-enabled devices
inside using the building's Wi-Fi network by taking advantage of the "polite
Wi-Fi" loophole, in which smart devices automatically respond to contact
attempts from any device within range. Comprised of a store-bought drone and …

attackers security wi-fi