What is Network Security?

Network security tools

Wireless Network Defensive Tools

Defending a wireless network from attacks by unauthorized users often demands taking preventative measures to thwart their efforts. In many cases, the same tools used by hackers to attempt to subvert your security can be employed to strengthen the safety of your network.

Subjecting your network to an investigation and attempting to crack it will necessitate the use of the same tools that malicious intruders will be wielding. They will allow you to test the strength of your network security and identify flaws that need to be addressed. If you can break into your own network, rest assured, so can the hackers. Here are some tools that can help in that effort.

KisMac2 is an open-source, wireless network discovery tool developed for the Mac OS X operating system. It is a powerful app that can be used to crack WEP and WPA keys using brute force attacks and packet re-injection.


It can scan for networks in active or passive mode and can be helpful in identifying weaknesses in your WiFi network.

Aircrack enables you to identify weak points in your wireless network’s security. You can attempt to crack your encryption password and test the capabilities of your WiFi cards and drivers.


Replay attacks on your network and export packet data to text files for later analysis. It’s a versatile tool that can help prevent rogue access to your wireless network.

NetStumbler is a WiFi stumbler for Windows computers. It automatically scans for wireless networks as soon as launched and supports many available network cards. The free utility has an interface which is reminiscent of Windows Explorer making it easy to navigate.


It can help you find rogue access points and coverage issues with your WiFi network that need to be addressed to enhance security.