Got a wireless network at home or your small business? The odds are that it’s insecure. And that 
means that it’s wide open to hackers, war drivers, or anyone else passing by.
But it doesn’t take a whole lot of work — or any extra money — to make your network secure. Follow these steps, and you’ll go a long way to keeping your network, PCs, and data safe.
Step 1 — Hide Your Network’s SSID, And Stop Broadcasting It
Computers on your network connect in a kind of two-way conversation. Your network router constantly sends out its name, known as its SSID (service set identifier). Your wirelessly equipped PCs see that SSID, and then connect to the router by using the SSID name. So if someone knows your SSID, it makes it easier to connect to your router. Networking Pipeline | Six Ways To Protect Your Wireless Network
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