Book Image

BackTrack - Testing Wireless Network Security

By : Kevin Cardwell
Book Image

BackTrack - Testing Wireless Network Security

By: Kevin Cardwell

Overview of this book

Wireless networks are everywhere. You have probably set one up yourself, but have you ever wondered just how safe you are while browsing online? In the majority of cases, the default settings for your networks are not enough to protect you. With your data being transferred over the air, it can be easily plucked and used by anyone who knows how. Don't let it happen to you.BackTrack - Testing Wireless Network Security will help you secure your wireless networks and keep your personal data safe. With this book, you will learn how to configure your hardware for optimum security, find network security holes, and fix them.BackTrack - Testing Wireless Network Security looks at what tools hackers use and shows you how to defend yourself against them. Taking you from no prior knowledge all the way to a fully secure environment, this guide provides useful tips every step of the way. Learn how to select a wireless card to work with the Backtrack tools, run spectrum analysis scans using kismet, set up test networks, and perform attacks against wireless networks. Use the tools aircrack-ng and airodump-ng to crack the wireless encryption used on the network. You will learn everything you need to know to set up your wireless network for use within Backtrack and also how to defend yourself against the included attack tools.
Table of Contents (13 chapters)

Discovering hidden access points

Now that we have looked at quite a bit of information from the Kismet tool, we want to focus on the feature of discovering access points that are hidden. The way to do this is just like we discussed with the airodump-ng tool. We have to have a client connect to the access point while we are observing it. We have done this, and the Kismet tool output is shown as an example in the next screenshot:

If we press Enter on the highlighted SSID, we gain additional information as shown in the following screenshot:

We can also select the connected client to see additional information about the access point. An example of this is provided in the following screenshot:

As you can see from the two preceding screenshots, the SSID is cloaked in the first screenshot, and in the second screenshot, the connected client is the actual access point itself. The next thing we want to do is see what happens when a client connects to the cloaked access point. The response from an access...