Question

Describe four approaches for securing wireless networks.

Answer 1

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#1) Encryption is Mandatory

The first and most important form of wireless network security is encryption via the WPA2 networking protocol. WPA2, Wi-Fi Protected Access, is the wireless security protocol which allows only certain parties to have access to your network. WPA2 governs the most basic, yet most necessary wireless security elements: user IDs, passwords, and IP management. Without WPA2, your wireless network security can, and probably will, be compromised by anything, everything, anyone, and everyone.

#2) Remove Guest Networking

The next time you purchase a new router, take a look at the default guest networking security settings. If the router has the guest networking security settings switched on, turn them off. The guest network settings within a router allow guests to access your router (and, therefore, your wireless network) through an unsecured path. If you are going to put in the time and effort to build a high speed wireless network and build in stringent IT security, the last thing you want to do is make the simple mistake of allowing outside access to your network because you forgot to turn off guest networking.

#3) SSID Account Names

The next time you go to coffee shop, an airport, or any public place with free wi-fi, count how many SSIDs are factory installed names. We can’t tell you how many times we login into a public network only to see numerous users functioning via SSIDs like “NETGEAR112” or “LINKSYS343”. A factory installed SSID should be changed to protect against outsiders attempting to guess the make of your router and compromising the unchanged original passwords.

#5) Update Your Firmware

While often forgotten, this simple step is necessary. Much like Microsoft will update Word from time to time, so too does your WiFi router provider. Companies like Linksys and Netgear periodically update the software which controls their devices. These firmware updates are meant to keep your wireless network hardware up-to-date with the most advanced security protocols and operating procedures. Check your provider’s homepage for firmware updates. They will save your high-speed network from outside corruption.

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