The name of your WiFi network (SSID) and the passphrase (security key) are settings that are used to connect your WiFi devices to your modem. You can change the default SSID and security key to something you will be able to remember.
hange your WiFi security key
To change your security key (passphrase) for your Wi-Fi network, follow these steps:
1. Connect a device, such as a computer or tablet, directly to your modem using the Ethernet cable (usually yellow).
2. Open a web browser and type http://192.168.0.1 into the web address field.