Others provide information about the structure and traffic flowing over the network, informing later attacks. Wireless networks are based on IEEE Infrastructure networks have one or more access points that coordinate the traffic between the nodes. But in ad hoc networks, there is no access point; each node connects in a peer-to-peer way. Two types of vulnerabilities can be found in the Wireless LAN. One is poor configuration and the other is poor encryption.
Poor configuration is caused by the network admin who manages the network. It may include a weak password, a lack of security settings, use of default configurations and other user-related issues. Poor encryption is related to security keys used to protect the wireless network. WEP, or Wired Equivalent Privacy, is a deprecated security protocol that was introduced back in as a part of the original However, it was weak, and several serious weaknesses were found in the protocol.
Now, this can be cracked within minutes. A new Wi-Fi security protocol was introduced in To get unauthorized access to a network, one needs to crack these security protocols. Many tools can crack Wi-Fi encryption. Wireless hacking tools are of two types.
One can be used to sniff the network and monitor what is happening in the network. These are the popular tools used for wireless password cracking and network troubleshooting. Aircrack-ng is one of the most popular wireless password cracking tools that you can use for Aircrack-ng uses the best algorithms to recover wireless passwords by capturing packets.
Once enough packets have been gathered, it tries to recover the password. To make the attack faster, it implements a standard FMS attack with some optimizations. The company behind the tool also offers an online tutorial where you can learn how to install and use this tool to crack wireless passwords. You can use any of these. It supports most of the wireless adapters and is almost guaranteed to work.
If you are using a Linux distribution, the only drawback of the tool is that it requires deeper knowledge of Linux. If you are not comfortable with Linux, you will find it hard to use this tool. Before you start using this too, confirm that the wireless card can inject packets. Then start WEP cracking. Read the online tutorial on the website to know more about the tool. If you follow the steps properly, you should be able to successfully crack a Wi-Fi network protected with WEP. Wifite is a Python script designed to simplify wireless security auditing.
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All you need is an internet connection! Take your cyber security training to the next stage by learning to attack and defend computer networks similar to those used by various organisations today. Connect with other like-minded cyber security students and join our huge community. Ask questions, share knowledge and meet people on the same journey as you.
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