Your Swift Mifi or CPE's SSID is that name that people see (under available networks) when they wish to connect to your Wifi (wirelesss) network.
If you do not secure your wifi with a password then you are sharing your hotspot with everyone around (free swift wifi).
.The default password to your SWIFT 4G LTE hub Wireless / WiFi is located just under it and usually written in front of Wi-Fi Key (WPA/WPA2).
Why should I change my Swift WiFi modem password and SSID
Your swift MiFi has publicly known dashboard login credentials and WiFi key (printed on the case of the modem) so once a person has physical access to the MiFi, he/she can connect to your WiFi network. Once connected to your WiFi network, the person can gain access to your CPE home and carry out malicious activities. For these reasons, you're better off changing your credentials.
Steps to to change SWIFT 4G wireless password and SSID
To change from this default password to a preferred one: