Researchers are developing technologies that use Wi-Fi waves to track human bodies with high accuracy — even without any electronic devices present. Are we witnessing the end of digital privacy? Discover the most alarming findings from recent research.
In a worrying technological breakthrough, researchers have found ways to use Wi-Fi signals to monitor people’s movements inside buildings — even if they don't carry any electronic devices like phones or smartwatches.
Key Emerging Technologies:
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RF-Capture by MIT
Uses Wi-Fi signals to generate a 3D image of human movement behind walls. It can identify individuals with over 90% accuracy and even monitor breathing and hand movements in the air. -
WhoFi by Sapienza University of Rome
Leverages a unique human "signature" based on Channel State Information (CSI). It can identify individuals with up to 95.5% accuracy, even as they move around in different locations.
Potential Applications:
- Healthcare (monitoring the elderly)
- Smart homes without cameras
- Covert security and surveillance
Also discover Wi-Fi 8: What's New in the Next Generation?
Serious Privacy Concerns:
- No need for cameras or microphones — just being in a space with Wi-Fi may be enough to track you.
- Lack of clear regulations governing this form of invisible surveillance.
- Potential misuse by governments or corporations without users’ knowledge.
Conclusion:
These technologies usher in a new era of invisible surveillance, where cameras and smart devices are no longer necessary to track individuals. While there may be benefits in fields like healthcare or automation, the greater threat lies in the silent erosion of personal privacy — often without the user’s awareness.