Open your router’s admin page in a web browser
Log in with your router username and password
Look for a section called Connected Devices, Device List, DHCP Clients, or Attached Devices
Check the list for device names, IP addresses, and MAC addresses
Use your router’s mobile app if it has one
Open the app and find the connected devices section
Check your computer’s network settings for active devices on the local network
Use a WiFi analyzer or network scanner app
Run a network scan to see devices connected to the same WiFi
Compare device names and MAC addresses to identify unknown devices
Change your WiFi password if you find unauthorized devices
Enable WPA2 or WPA3 security on your router
Turn on guest network access for visitors
Update your router firmware regularly
Disable WPS if it is not needed