I recently wrote a post on the top 100 terms you should know as a penetration tester. Monitor mode - Capturing the network packets in the air without connecting to a router or access point.IEEE 802.11 - Wireless Local Area Network (LAN) protocol.Wi-Fi Protected Access (WPA & WPA2) - Stronger security algorithm compared to WEP.Wired Equivalent Privacy (WEP) - Security algorithm for wireless networks.The common format for tools including Wireshark and Nessus. Access Point - The WiFi network that you want to connect to.
This tutorial is purely educational and is meant to help you defend your networks better.īefore we look at Aircrack in detail, here are a few terms you should know. A quick sidenote: I am in no way encouraging the use of illegal offensive tools. You can then perform security audits of your own network to make sure it is not vulnerable.
#Wifi sniffer ubuntu how to
By learning how to work with Aircrack, you will be able to understand the exact steps an attacker would take to gain access to your network. Thinking like an attacker has always been the best way to defend against a network. While Wireshark can help you watch what is happening on your network, Aircrack is more of an offensive tool that lets you attack and gain access to WiFi networks. With tools like Wireshark and Aircrack, you can perform security audits of your WiFi networks. Have you wondered how secure it is? Do you know if someone in the parking lot is connected to your network and capturing your company’s confidential data? If you are working for a company, chances are they use a WiFi network, too. Unless you use a VPN or the website uses HTTPS, your data (including passwords and credit card details) will be visible to the entire network. Unless it is properly secured, it's easy to perform man-in-the-middle attacks using tools like Wireshark.įor example, if you are connected to a Starbucks network, anyone connected to that network can look at every other person’s network traffic. However, WiFi is also a vulnerable network compared to the ethernet. Now we can connect to the internet at coffee shops, subway stations, and almost anywhere we go. There is no debate about how much easier WiFi has made our lives. We would still be using long wires of ethernet cables to connect to the internet.
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