Imagine a technology that can identify who you are without using any cameras, smartwatches, or fingerprint scanners. Scientists have discovered that ordinary WiFi signals present in our homes can now recognize individuals simply by tracking how radio waves move around their bodies.
Whenever you walk, stand, or move inside your house, your body bounces and blocks the invisible WiFi signals passing through the room. Every person has a unique height, body shape, and walking style, which disrupts these radio waves in a specific way. Advanced Artificial Intelligence tools analyze these tiny signal disruptions and create a unique digital fingerprint for every family member.
What makes this discovery shocking is that it works even if your smartphone is turned off, and even through solid brick walls. You do not need to carry any mobile device or wear any smart gadget. The WiFi router acts like an invisible eye, identifying people with up to 95 percent accuracy.
While this technology can help elderly care by detecting falls without invading privacy, experts warn about severe privacy risks. Unsecured WiFi routers could potentially allow bad actors to monitor your daily home routine without your knowledge. Tech companies are now working on new safety standards to protect users from invisible home surveillance.