If you suspect that someone is using your WiFi without permission, you can take several measures to disconnect them and prevent them from reconnecting. Learning how to log out someone from using your WiFi can help improve your internet speed and protect your home network. The best method depends on your router, but you can usually disconnect or block a specific device through your router settings or change the WiFi password to remove unwanted users.
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Check Which Devices Are Connected
Before removing someone from your WiFi, check the devices currently connected to your router.
Open your router’s mobile app or administration page and look for options such as Connected Devices, Clients, Device List, Network Map or Device Manager.
Review the list carefully and identify devices that do not belong to you. Do not rely only on the device name because some phones and computers may appear under generic or unfamiliar names.
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Identify the Unwanted Device
Compare the connected devices with the phones, laptops, televisions, printers and other equipment in your home.
If you are unsure about a particular device, temporarily turn off WiFi on your own devices and refresh the router’s device list. This can help you determine which entries belong to your household.
Some devices use private or randomized MAC addresses, so an unfamiliar device name does not always mean that someone is using your network without permission.
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Use Your Router’s Block Option
Many modern routers allow you to block a specific device.
Open the connected-device list, select the unwanted device and look for options such as Block, Deny, Pause, Disable Internet or Access Control.
Select the appropriate option and save the settings. The exact menu names vary depending on the router manufacturer and model. TP-Link, for example, provides device-blocking options through its Tether app on supported routers.
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Change Your WiFi Password
If you want to remove someone and make sure they cannot reconnect using the old password, changing your WiFi password is usually the most effective option.
Log in to your router’s administration page or open the router’s mobile app. Find WiFi Settings, Wireless Settings or a similar option and change the network password.
Save the new password and reconnect your own devices using the new credentials. Changing the WiFi password forces devices using the old password to reconnect with the new one.
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Use a Strong New Password
When changing your WiFi password, avoid simple combinations that other people can easily guess.
Use a long and unique password or passphrase containing a mixture of letters, numbers and symbols where supported.
Do not use your name, phone number, house number or an easily guessed word. Avoid sharing the new password with people who should not have access to your network.
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Check Both 2.4 GHz and 5 GHz Networks
Some routers provide separate settings for 2.4 GHz and 5 GHz networks.
When changing your WiFi password, check whether both networks use the same credentials and update them where necessary. Otherwise, a person could potentially continue using another network that still has the old password.
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Secure the Router Administrator Account
Your WiFi password and router administrator password are not necessarily the same thing.
The administrator password gives access to the router’s settings. If you suspect someone may have accessed the router itself, change the administrator password as well.
Keeping the router administrator account protected helps prevent unauthorized changes to your network settings.
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Check the Guest Network
If your router has a guest WiFi network, check the devices connected to it separately.
Changing the main WiFi password does not necessarily change the password for the guest network. If someone is using the guest network without permission, change its password or disable the guest network when it is not needed.
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Avoid Factory Resetting the Router
You normally do not need to factory-reset your router simply to remove someone from your WiFi.
A factory reset can erase your network name, password and other customized settings. It may require you to set up the entire network again, so it should generally be reserved for situations where you need to start the router configuration from scratch.
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Monitor the Network After Removing the Device
After blocking the device or changing your password, check the connected-device list again.
Reconnect your own phones, laptops, televisions and other trusted equipment using the new password. Continue checking the list if you suspect someone is attempting to access your network.
If an unfamiliar device repeatedly appears, review your router’s security settings and consider contacting your internet service provider or router manufacturer for assistance.
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