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Find out if the neighbor is using your WiFi secretly

Find out if the neighbor is using your WiFi secretly

It is no longer just computers and smartphones that connect to the WLAN network. With many devices, you can quickly lose track of who is on the go on your own network.

Which devices are actually on my WLAN network and do they all belong to me? Some of you may have already asked yourself this question. Because it can happen that strangers or even neighbors use your own WLAN. At best, unauthorized access will only slow down your internet, but data being sent over the network could also be read. Even when there is criminal activity on your network, there can still be problems. TECHBOOK features two easy ways to keep track of who is roaming on your network.

Monitor the connection through the router

You can also check directly in the router’s user interface which devices are connected via WLAN. However, the disadvantage of this method is that you do not receive a notification when a third-party device is registered.

With a Fritzbox, for example, you can find the connected devices under “Home network” and then under “Home network overview”. in the “Home Network” can also use “Power Mode” activate the Fritzbox.

Monitor WLAN connections on the Telekom router

Even with Telekom routers, it is easy to find out who is on the network. To do this, just open the router settings and select the “Network” menu. The list with all registered devices can be found in the “NAT & Port Rules” submenu. Here you can now turn off one device after another to identify which device it is. Then name the devices accordingly. If an unknown device, for example from your neighbor, appears on the WLAN network, you can immediately block the culprit. You must also change your access data.

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Scanning is also possible with a smartphone

You can also use your smartphone to quickly find out if your neighbors or other unauthorized people are on your own WiFi network. You can simply download a network scanner app for this. One of the most popular programs is Fing for Android Y AppleiNet: network scanner for Apple o Network analyzer for Android either Apple. All three apps are free versions that can be upgraded to professional versions with more features. However, the free versions are definitely enough for a quick check.

The Pro version of the application costs around 5 euros
Photo: TECHNICAL BOOKPhoto: TECHNICAL BOOK
The BananaGlue team in Berlin developed a first version of iNet in 2009
Photo: TECHNICAL BOOKPhoto: TECHNICAL BOOK
With Fing, you get extra features when you sign in with your Google account
Photo: TECHNICAL BOOKPhoto: TECHNICAL BOOK

Monitor WiFi network with PC software

If you want to be constantly informed about what is happening on your home WLAN, it is best to use programs like “WhoFi” return.

This free Windows software scans the WiFi for all connected devices and presents them in a clear list. Here you can now classify devices as “known” or “unknown” and name them individually so you don’t lose track.

The software now automatically scans the WLAN at adjustable times and as soon as the program finds an unknown device, an alarm sounds. This way you always have an overview of what is happening on your home WLAN and whether your neighbors or other people are calling without permission.

However, the disadvantage of “WhoFi” is that you cannot operate from within the program. If you have discovered a suspicious device, there is no way to exclude it from the network; it must go through the router to do so. Also, “WhoFi” is entirely in English and requires registration.

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What is the difference between WLAN and Wi-Fi? The answer is here:

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What to do if there are unauthorized persons on the WLAN?

If there really are devices on the network that don’t belong there, you need to quickly change the WiFi password and log in again on your own devices. Also, make sure you are using the latest WiFi encryption method so that strangers or your neighbor cannot easily access your network.