How to Secure Your Local Wireless Network from Hackers

Converting your office LAN into a wireless network can ensure the ease of networking by avoiding the coils of Ethernet cables. When I started my networking career, it was the confusing cables that welcomed me and my team in every office and it took time to understand which cable goes to which device since most of the Ethernet cables were not properly arranged. With the popularity of wireless network by the introduction of 802.11 ac and 802.11n, we do not need Ethernet cables to transfer data fast between devices in an office because both these wireless standards offer high data transfer speed. Though wireless makes an office looks smart, it has some security issues. It is true wireless networks are more prone to hacking compared to a wired network.

Avoid Risks On Wireless Networks

A sophisticated hacker can easily intrude into a wireless network compared to a wired network. It is because wireless offers a possibility to connect to the network if one user is in its range wherein Ethernet LAN, there is no such an option. However, we can prevent any unauthorized access to a wireless network by following a set of precautions like enabling proper wireless encryption, allow guests to access just guest accounts, MAC Address filtering etc.

How to Secure A Wireless Network From Hackers

  1. Configure Best Wireless Encryption

    One of the most important steps to keep intruders from your wireless network is to enable proper wireless encryption. There are wireless encryption protocols like WEP, WPA, and WPA2. Currently, the industry's best wireless encryption is WPA2. So it is recommended to use WPA2 for your wireless network. To read more about choosing the right wireless encryption for your wireless network, read the Cisco guide.

  2. Limit the Wireless Network Range

    In most of the modern wireless routers and Access Points, we have an option to set the range of the wireless network. It is wise to limit the wireless range of your network just in the boundary of your office. So anyone outside the office cannot join your wireless network even if he managed to break your wireless encryption. So your wireless network is safe from intruders.

  3. Enable MAC Address Filtering

    With MAC Address filtering you can provide another layer of security to your office wireless LAN. You can set which all devices can join office wireless network by specifying the MAC Address of the devices. Since MAC Address is a physical address, no other device will have the same address. However, you must understand by MAC Address spoofing a talented hacker can break this wireless security. However, this step can prevent a hacker device from joining the wireless network until he identifies the barrier.
    Wireless Network Keep Connecting & Disconnecting

  4. Stop Wireless Network Name (SSID) Broadcast

    Though it is useless against a skilled attacker, by hiding SSID broadcast, you can make your wireless network invisible to common users. Your wireless network remains hidden and computers will not detect your wireless network by normal scanning for available wireless networks.

  5. Enable Guest Wireless Account

    Create a guest account on your wireless router and let the guests and ordinary users in your office join that network only.

  6. Set a Custom Router Password

    Though this step is not directly protecting your wireless network against hackers, it will protect the router from users in your office to access the router setup page and change wireless settings. It is always advised to change default router password after configuring it.

Other Wireless Security Articles
  1. How to Start WLAN Autoconfig On Windows 8 Computer

  2. How to Configure D-Link Wireless Access Point

  3. How to Setup Wireless & Security On Teracom Modem For BSNL

  4. How to Configure Linksys Range Expander RE1000 & WRE54G

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