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Be aware who is using your Wi-fi connection

Wi-Fi is a local area wireless technology that allows an electronic device to exchange data or connect to the internet using 2.4 GHz UHF and 5 GHz SHF radio waves.

Have you ever ask yourself, 'who is using my Wi-Fi connection?' At times a Wifi password is still vulnerable from attacks, and may not enough to protect from others to steal important data and personal information, you might wonder why your internet browsing or YouTube, and file uploads suddenly slowdown. That may be because there are people who is using your wireless connection without you knowing so "Prevention is better than cure".

To know if someone is already connected on your Wi-Fi at Home or at the office, there is a free application software for Windows called WiFi Guard. Click here to download.


After having the software, install it and run.

Here I'm using a portable version.  (I can't find it now on the web.)




Perform a scan, and this will display all the computer devices that are connected on the same Local Are Network (LAN) . A list with IP address and MAC address, a green light means you know this computer and a red light mean you DON'T know them. On the list shown, carefully Identify which computers you are not familiar with.


The next thing to do if you suspected that there are unknown IP address. I think you must consider replacing your Wi-Fi password. If you are not so techie on how to change wifi passwords, you can call a friend or directly contact your ISP (Internet Service Provider) regarding your concern. My recommendation is that to change your password regularly, it could be monthly or quarterly, to prevent future troubles. Good luck and stay safe! 

If you are using different methods, don't hesitate to share it with us. Thanks for reading! 


Disclaimer: The application software above is not my own. Download it at your own risk. Mavtech will not be held responsible for any damages caused  to your device or network
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