Also called "beaconing," if the network is secured with a password, users will see the SSID, but not be able to access it (see WEP and WPA). The SSID is displayed in a mobile device's list of Wi ...

WPS lets you connect to Wi-Fi effortlessly without knowing the SSID or password. WPS has security risks due to potential PIN vulnerabilities, which is why some newer devices don't support it at all.