Setting Up a Home Wireless Router Securely
The handful of settings every home or small office router should have changed from factory defaults.
Most wireless routers ship with a default administrator password and a generic network name, and both should be changed the day you set one up. Attackers and automated scanning tools know the default logins for every major router brand, so leaving them in place is an open invitation.
Log into your router's admin page (usually by typing its IP address, often 192.168.0.1 or 192.168.1.1, into a browser) and change the administrator password to something unique. While you're there, rename your WiFi network (the SSID) to something that doesn't identify your business or address, and make sure encryption is set to WPA2 — WEP and open networks should never be used.
Finally, check whether your router offers a separate guest network. If it does, use it for visitors and any devices you don't fully trust, keeping them isolated from the computers and servers that hold your business data.
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