10 min read

Babe Wake Up.. Wifi Can See Through Walls Now

Published on
August 10, 2023

You heard that right— WiFi can see through walls. Stay ahead by securing your at home network.

Research Abstract:
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In this episode of black mirror, did you know wifi can now be used to “see” through walls?!

It’s called Dense Human Pose Estimation and researches at Carnage Melon believe this technology can be used in place of the typical RGB cameras that are currently used.

I know, I know, it sounds hella creepy & believe me I am the first one to be a skeptic when it comes to new things like this but the researches actually intend on this tech being used to “monitor the well-being of elderly people or just identify suspicious behaviors at home.”

Typical RBG cameras that are used in security cameras, smart cars, and your little vacuum friend run into issues with lighting and “occlusion” which is items blocking the camera’s view. The researchers believe this technology can be used in places where it’s weird to have cameras, or where camera’s abilities fall short.

While this can help privacy in non-public area’s by not providing a straight up image on what’s being seen, it’s still pretty close and I’m not sure it feels more private. There are obvious security and privacy concerns that arise when looking into Dense Human Pose Estimation. I mean… what if someone breaks into your wifi network and is able to track you?! No thank you.

You know I can’t just dump this news on you without some steps you can do to keep yourself safe.

When it comes to security— the basics go a long way. Here’s some tips to that can keep your at home wifi network safe and secure:

  • Change Default Router Password: When you set up your Wi-Fi router, change the default login credentials immediately. Use a strong and unique password that includes a combination of letters (both uppercase and lowercase), numbers, and special characters.
  • Enable WPA2 or WPA3 Encryption: Ensure that your Wi-Fi network is encrypted with either WPA2 (Wi-Fi Protected Access 2) or the newer and more secure WPA3. Avoid using WEP (Wired Equivalent Privacy) as it is outdated and less secure.
  • Use a Strong Wi-Fi Password: Set a strong Wi-Fi password that is difficult for others to guess. Avoid using easily guessable information like your name or address. The longer and more complex the password, the better.
  • Change Wi-Fi Password Regularly: It's a good practice to change your Wi-Fi password periodically, especially if you suspect unauthorized access.
  • Enable Network Encryption: Most routers have an option to enable network encryption. Make sure it's turned on to add an extra layer of security.
  • Change Default Network Name (SSID): Modify the default network name (Service Set Identifier or SSID) to something unique and avoid using personal information.
  • Keep Router Firmware Updated: Regularly check for firmware updates for your router from the manufacturer's website and install them to patch any security vulnerabilities.
  • Disable Remote Management: Turn off remote management options on your router, so it can only be configured from within your home network.
  • Position Your Router Wisely: Place your router in a central location and away from windows to minimize the chances of unauthorized access from outside.
  • Disable Guest Network (if not used): If you're not using the guest network feature, it's better to disable it to reduce potential access points for attackers.
  • Keep Devices Updated: Ensure that all devices connected to your Wi-Fi network have up-to-date software and security patches.
  • Regularly Check Connected Devices: Periodically review the list of connected devices in your router settings to ensure there are no unauthorized devices on your network.
  • IOT Devices: Consider setting up a separate network (like your guest network) for your smart home devices. This includes items like wifi enabled lightbulbs. Keep them updated, and use trusted brands when you can.


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