WiFi networks have an identifier, a name, which is public if the default configuration of the router is maintained. This identifier is the SSID and is, ultimately, the name that appears -so that we can connect- when, from any device with WiFi-type wireless connectivity, we do a search. However, this SSID can be hidden and, in this way, we would be able to have an invisible WiFi network. You will still be able to connect, but only by knowing your name. How can we do this?
We can have a hidden WiFi network. The only difference with respect to a normal configuration will be that, as we mentioned, the SSID it will not be visible when, from another device, a search for wireless networks is made. Therefore, if someone does not know the name of the WiFi network, since it is not available in the list of nearby networks, they will not be able to connect. However, if we know the SSID, we can do the configuration manually by entering the name of the network and its password and thus we will connect as normal. Only we will know that this network exists, which will give us advantages when it comes to protecting ourselves from intruders. Of course, you must bear in mind that it is not an infallible trick and that it will not always protect us from cybercriminals, but it will prevent your smart neighbor from using a network scanning application and connecting to yours to steal your WiFi.
Hide from router settings
Like any other WiFi network setting, this setting is available through the router. The steps will vary depending on the brand or operator you have contracted but all the devices allow us to access its configuration to find this setting. In other words, the first thing we must do is take any device connected to the network, open the web browser and access the address 192.168.1.1. At least, this will be the IP address to access the router configuration as long as we keep the default settings, although it may have changed and it may be another IP, but it is not usual. From here, we will need the access data, which, in general, will be the user 'admin' and password 1234, although it could vary depending on the router model and the operator you have contracted, but generally we will find it on the sticker.
Once inside the configuration, we must go to the WiFi settings. We should find something like WiFi Wireless or WLAN. This section is where the wireless network settings parameters are available. And what is related to the SSID should be available in the basic configuration section. The option that we want to find can be found in a section such as SSID, SSID settings, SSID Settings or similar.