Scientists discovered WiFi can spy on you—even when you’re not online
- 2 days ago
- 1 min read
Sure, there are already countless bots that spy on your internet activity, no matter how you adjust your settings or what blockers you put up. But what’s especially unnerving about the new way WiFi is being used as spying tech is that it doesn’t rely on browsing history at all.
It needs no specialized hardware. It doesn’t even need to reach your phone, tablet or any other gadget. You only need to walk past a location with an active WiFi network and radio waves WiFi sends out will bounce off you and create an image, opening up an opportunity to invade your privacy.
When WiFi signals propagate and interact with something or someone, the resulting patterns can be stitched together to create a sort of snapshot using radio signals instead of the light that a camera needs. Once captured and analyzed, these patterns create an image of you that can then be used to secretly follow you just about anywhere WiFi exists.
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