March 2026
Intermediate to advanced
400 pages
15h 45m
English
Content preview from WIRELESS & MOBILE DEVICE SECURITY Third Edition, 3rd Edition
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Password-Capture and Decryption Tools
When conducting any Wi-Fi network audit, it is wise to check for weak passwords. Aside from unencrypted sessions, weak passwords are often the most common and serious security threat to a network. Passwords that are easy to crack enable an eavesdropper to exploit them, perhaps gaining deep access into a network (depending on the level of the person whose password was cracked). This is especially true when dealing with default administrator passwords on network devices.
There are several tools for auditing and recovering passwords: Nessus and Aircrack-ng are two of the most popular. Nessus is particularly good at spotting default administrator passwords, for web applications. Aircrack-ng is also able to crack ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.