If you've noticed your Wi-Fi is slower than usual, it could be due to someone else using your network without your permission. This is known as "Wi-Fi piggybacking," where an unauthorized device connects to your network, potentially reducing your internet speed and bandwidth. It can happen if your Wi-Fi network is not properly secured or if someone is using a device to access your network signal. To detect if someone is using your Wi-Fi, you can check the list of connected devices on your router. Most modern routers allow you to view a list of devices that are currently connected. You can usually access this by entering your router’s IP address into a web browser and logging in with the admin credentials. Look for any devices that you don’t recognize—these could be unauthorized users. If you find an unknown device, you can take steps to block it. Some routers allow you to set up a MAC address filter, which blocks specific devices from connecting based on their unique hardware identifier. Alternatively, you can change your Wi-Fi password to a stronger one and enable WPA3 encryption, which is more secure than older methods like WPA or WEP. To prevent future unauthorized access, ensure your network is secured with a strong password and up-to-date encryption. Regularly checking the list of connected devices can also help you stay aware of any unusual activity. Taking these steps can help protect your network and maintain your internet speed.