75. Turn Off Server Set IDs (SSIDs) Broadcasts  BEFORE YOU BEGIN
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 About Configuring the Wireless Router
 Access Router Configuration
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The SSID (service set identifier) or network name for your WiFi network is broadcast by the router over a radio signal, making it easy for WiFi-enabled computers on your network to connect to the WiFi router and the workgroup. However, when you allow the SSID to be broadcast, anyone within range who has a WiFi-enabled computer can attempt to access the WiFi network because he can "see" that the network actually exists. Because you know the SSID for your WiFi network, you can configure the WiFi-enabled computers on your network with the SSID name. The SSID name is one of the settings required for configuring a WiFi network adapter. See  Configure Adapter and Connect to the Wireless Router for information on entering the SSID and other WiFi settings for your WiFi adapter. Because you don't require that the SSID be broadcast (you can configure your WiFi adapters with the SSID manually), turning off SSID broadcasts can at least protect your WiFi network from "amateur hackers" who might try to attach to your WiFi network when they detect the network because of the SSID broadcast.  Turn Off Server Set IDs (SSIDs) Broadcasts
 Access Advanced Wireless Settings
Log on to your router as the administrator using your web browser; type the URL for your router in the browser's Address box and then provide the login name and password for the router when prompted for this information. You can find the URL for your router in the documentation that came with your router, or you can go to your router manufacturer's website and download the documentation for your router to learn how to access the router's configuration site. From the main configuration page for your router, access the advanced wireless settings or whatever page contains the router's SSID broadcast settings. For example, for my Netgear router, I click the Advanced Wireless Settings link in the router's command list.  Turn Off SSID Broadcast
On the Advanced Wireless Settings page, deselect the check box for Enable SSID Broadcast (or select the setting on your router that turns off the SSID broadcasts).  Apply Configuration Changes
Click the Apply button (or a similar command) to apply the change you have made to the router's configuration.
Tip It is convenient to allow your router to broadcast the network SSID when you are in a situation where you have roaming users (folks with laptops) who want to scan for and then quickly attach to the network. But you aren't running a hotspot; you are trying to run a secure network. Because you can configure all the computers on your network with WiFi adapters manually, including the SSID name, your computers don't need to scan for the network. You don't need to broadcast the SSIDdoing so is actually a security liability. So, turn it off.
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